it's based on the levels of estrogen flowing through his veins and volume of menstrual fluid flowing out of his vagina.
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ii;iii;;;;;;;;;;;;;;;;;;;;;;ii;iiiiiiiiiiiitttttttjjjjjjjjjjjjjjjjjffffffffffffffffffjfffffffffjffff
;iii;;;;;;;;;;;;;;;;;;;;;;;;;;;;iiiiiiiiiiiiittttttjjjfjjffjfjjjjjjjjffffffffffffffffffffffffffffjff
;i;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;iiiiiiiiiiiittttttjjjfjjjjjfjjfjjjffffffffffffffffffffffffffffffff
;;;;;;;;;;;;;;;;,;;;;;;;;;;;;;;;;;i;iiiiiiiiiitttttttjjjjjffjfjjjjjjffjfffffffffffffffffffffffffffff
;;;;;;;;;;;;;;;;;;;,;;;;;;;;;;;;;;;;;i;iiiiiiiiittttttjjjjjffffffjffffffffffffffffffffffffffffffffff
;;;;;;;;;;,,;;,;;,,;,;,;,,;;;;;;;;;;;;;iiiiiiiittttttttjjjjjjfffffffffffffffffffffffffffffffffffffff
;;;;,;;,;,,,,,,,,,,,,,;,;,;;;;;;;;;;;;;;iiiiiiiitittttttjjjjjjfffffffffffffffffffffffffffLffffffffff
;;;;;;,,,,,,,,,,,,,,,,,,,,,,,;,;;;;;;;;;;iiiiiiiiiittttttjjjjjjjffffffffffffffffffffffffffffffffffff
,;;,;,,,,,,,,,,,,,,,,,,,,,,,,,,;;;;;;;;;;;i;iiiiiiiitttttttjjjjjffffffffffffffffffffffffffffffLfffLL
,;;,,,,,,,,,,,,,,,,,,,,,,,,,,,,,;;;;;;;;;;;iiiiiiiittttttttjjjjjjjffffffLffffffLLfffffffLffLLLLLffff
;,,,,,,,,,,:::::,,,,,,,,,,,,,,,,,,,,;;;;;;;;;iiiiiiiiitttttjjjjjjjfffffLLLfLLLLfLffLLLLLLLLLLfffffff
,;,,,,,.,:::,::,,:,,,,,,,,,,,,,,,,,,,;;;;;;;;;iiiiiiiittttttjjjjjjffffffLLLLLLLLLLLLLLLLLLffffffffff
,,,,,:::::::::::::::,,,,,,,,,,,,,,,,,;;;;;;;;;;iiiiiiitttttttjjjjjjffffffLLLLLLLLLLLLLLLLfffffffffff
,,,:,:,,::::.:.:::::::,::,,:,,,,,,,,,,,,;;;;;;;iiiiiiiiittttttjjjjjfffffLLLLLLLLLLLLLfLfffffffffffff
,,::::.::::::::..:::::,::,,,,,,,,,,,,,,,;;;;;;;;;iiiiiiittttttjjjjjffffffffLLLLLLLLLffffLfffffffffff
,,,,:::..::::..:.:.:::::::::,,,,,,,,,,,,,;,;;;;;;;iiiiiiittttttjjjjjfffffffLLLLLLLLfffffffffffffffff
,,::.,:..::....::.:::::::::::,:,,,,,,,,,,,;,;;;;;;iiiiiiititttjjjjjjffffffffLLLfLfffffffffffffffffff
,,.:::::..:.........::::::::,::,,,,,,,,,,,,,;;;;;;;;iiiiiitttttjjjjjjffffffffLLfffffffffffffffffffff
:::::............:...::::::::::::::,,,,,,,,,,;;;;;;;;iiiiiittttttjjjjfffffffLffffffffffffffffffjffff
::........ .. . ...:.:::::::::::,,:,,,,,,,,,,,,;;;;;;iiiiiiitttttjjjjjjffffffffffffffffffffffffjjfLL
::.:..... .... .......::::::::::::::::,,,,,,,,,;;;;;;;iiiiittttttjjjjjjfffffffffffffffffffffjjjjjjfL
,:::. .......... .....:::::::::::,:::,,,,,,,,,,;;;;;;;;iiiiiitttttjjjjjfffffffffffffffffffjjfjjjjfff
,,.:.. ..... ........:.::::::::::::,,,,,,,,,,;;;;;;;;iiiiiitttttttjjjjfffffffffLffffffjfjjjjjjjjff
,:::::...... ..........::::::::::::::,,,,,,,,,;;,;;;;;iiiiiittttttjjjjjjffffffffffffffffffjjjjjjjLL
::::::.................::::::::::::::,,,,,,,,,,,;;;;;;;iiiiiiittttttjjjjjjfffffffffffffjfffjjjjjjjff
:::::..:::..............:::::::::::::,,,,,,,;jff;;;;;;;;iiiiiiittttttjjjjjjffffffffffffjjfjjjjjjjjjj
::::::.::.............:..:::::::::::::,,:,,GEKKKEf;;;;;;iiiiiitttttttjjjjjjjfffffffffjjjjjjjjjjjjjff
,:::::::..:...:..:.....:.::::::::::::::,:,GKKEDEEEE;;;;;;iiiiiittttttttjjjjjjffjfffjjjjjjjjjjjjjjjjj
,,,::::::...:..:....::..:::::::::::::::::LKDEELGDEEi;;;;;;iiiiittttttttjjjjjjjfjjffjjjjjjjjjjjjjjjjt
,,::::::.:::..:.:..:.::.::::::::::::::::,DEDDDGGiEEj;;;;;;iiiiiittttttjtjjjjjjjjfjjjjjjjjjjjjjjjjjjt
,,::,::::::..:::::.::..:::::::::::::::::,EEGDLGGGDEG;;;;;;iiiiiittttttttjjjjjjjjfjjjjjjjjjjjjjjjjjjt
,,,:,:::::::::::...::::::::::::::::::::::DfDDfiGfiEG;;;;;;;iiiiiitttttttjjjjjjjjfjjjjjjjjjjjjjjjjjjt
,,,:::::::::::::::::::::::::.::::::::::::GfLLj;;;;DG;;;;;;iiiiiiittttttjjjjjjjjjjjjjjjjjjjjjjjjjjjjt
,,,,::,:::::::::::::::::::::::::::::::::,ffLLGGfi;;j;;;;;;iiiiiiitttttttjtjjjjjjjjjjjjjjjjjjjjjjjjjt
,,,,,:,,::::::::::::::::::::::::::::::::,fLLDGLjti,i;;;;;;;iiiiiiitttttttjjjjjjjjjjjjjjjjjjjjjjjjjjt
,,,,,,:,,:::::::::::::::::::::::::::::::::LLDfGGttf;,;;;;;;;iiiiiittttttjjjjjjjjjjjjjjjjjjjjjjjjjjjt
,,,,,,,:,,:,::::::::::::::::::::::::::::::fLGLfftj;;;;;;;;;;iiiiiiittttttjjjjjjjjjjjjjjjjjjjjjjjjjjj
,,,,:,,,,,:::::::,::::::::::::::::::::::::,DDLjLjt,,,;;;;;;;iiiiiiitttttjtjjjjjjjjjjjjjjjjjjjjjjjjjj
,,,,,,,,,,,,,,,,:,,:::::::::::::::::::::::,EEDGDL;,,,;;;;;;;;iiiiiittttttjjjjjjjjjjjjjjjjjjjjjjjjjjj
,,,,,,,,,,,,,,,,::,::::::::::::::::::::::::GEKKEj,,,,;;;;;;;iiiiiitttttttjtjjjjjjjjjjjjjjjjjjjjjjjjj
;,,,,,,,,,,,,,,,,,,,,:::::::::::::::::::::,LDDGti,,,,,,;;;;;;iiiiiittttttttjjjjjjjjjjjjjjjjjjjjjjjjj
,;,,,,,,,,,,,,,,,,,,,,::::::::::::::::::,jfLjtii;,:,,;;;;;;;;iiiiiitttttttjjjjjjjjjjjjjjjjjjjjjjjjjj
;;;,,,,,,,,,,,,,,,,,,,,::,:::::::::,iiiijtiitttjjtttjii;,.;;iiiiiiiittttttjjjjjjjjjjjjjjjjjjjjjjjjjf
;;;;;,,,,,,,,,,,,,,,,,,,,,:,::::::tjfjfiii;ittjjjjji;,:,,,,;iiiiiiiitttttjtjjjjjjjjjjjjjjjjjjjjjjjjj
;;,;;,;,,,,,,,,,,,,,,,,,,,,:::,:,,jjfjtiii;;itfjjti;,.:,;ii;iiiiiiittttttjtjjjjjjjjjjjjjjjjjjjjjjjjj
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;;;;;;;;;;,;,,,,,,,,,,,,,,,,,,,,,;jjjjttii;ittii;;;,,;tii;i;;iiiiiitttttttjjjjjjjjjjjjjjjjjjjjjjjjjj
tttjjjtttttiiiii;;;;,,,,,,,,,,;tfjfjjjjtttitttii;;,;;tffjiiiiiiiiitttttttttjjjjjjjjjjjjjjjjjjjjjjjjj
jfLffjjjjjjjtttttttiiii;,,,,,iLLLLLLffttjttttii;;;;;itGLftiiiiiiiitttttttttjjjjjjjjjjjjjjjjjjjjjjjjj
LLLffjjjjjjjjttttiiiiiiiii,,fLGGGGGGGLftffttiii;;;;iitfjttttjjjjjtiiittttjjjjjjjjjjjjjjjjjjjjjjjjjjj
LLLLffjjjjjjjjttttttiiiiiitfGDDDDDEEDDLjjfjtiiii;;;itfjjjffffffffji;,,;ttttjjjjjjjjjjjjjjjjjjjjjLLLj
LGGLLfjfjjffjjjjttttttitiiiGDDfjtjLEEDLjjffti;;ii;iffffffLLLLLLLLfji;:,ijtjjjjjjjjjjjjjjjjjjjjjjfLLf
GGGLLfffffffjjjjjtttttttitittjLLfLDGLGfffjftii;iitfffffLLLLLLLLLLLffjtiitjjjjjjjjjjjjjjjjjjjjjjjfjjj
GGGLLLffffffffjjjjtttttitiiitttjfGDLLDffffjttttttjfffLLLLLLLLLLLLLLLLffjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
GGGGLLLffffLfffffjjjtttiititttttjLGffGGLLfffffffffffLLLLLLLLLLLLLLLLLLLfjtjjjjjjjjjjjjjjjjjjjjjjjjjj
GGGGGLLffLLLLLLLfffjjtttttttttttjDGLfGGLLfGGLLLLLLLLLLLLLLLLLLLLLLLLLGGLjjjjjjjjjjjjjjjjjjjjfjjjjjjj
GGGGGGLLLLLGGGGGGLLffjjjjjjjjjjjLEDGLLGGfjDGGLLLLLLLLLLLLLLGLLLLLLLGGGGGfjjjjjjjjjjjjjjjjjjjjjjjjjjj
GGGGGGGLLGGDDDDDGGGLLffjjjffjffjDEEDDDDGLfDGGGLLLLLLLLLLLGGGLLLLLGGGGGGGfjjjjjjjjjfjjfjjjjjjjjjjjjjj
GGGGGGGGLGDEEEDDDGGGLLLfffffLfffDEEEEEDDGGDGGGGLLLLLLLLGGGGGGGGLGGGGGGDGjjjjjjjjjjjjfjjjjjjjjjjjjjjj
DDDDDDGGLLLGEEEDDDDGGGGLGLLLGGGGDEEEEEEDDEDGGGGGGLLLLLLGGGDGGGGGGGGGGGDLjjjjjjjjjjffjjjfjjjjjjjjjjjj
DDDDDDDGGLLffGDDDDDDDDDGGGGGDDDDDEDDEWKEDDGGGGGGGGLGGGGGGDDDGGGGGGGGGGGfjjjjjjjfjjfjfjfffffffjjjjjjj
DDDDDDDDGLLfffffLGDDDDDDDDDDDDDEEDDDEKEGGGGGGGGGGGGGGGGDDDDGGGGGGGGGDDGfjjjjjjjjjjffffffjjfffjjjjffj
DDEDDEDDGLLLfffjjjjjffffffLDDDDEEDDDDKDDGGDDDGGGGGGGGGGDDDDGGGDDDGGDDDLjjjjjjjjjjjfffffjjfffjjjjjjjj
DDDDEEDDGGLLLLjjjjjjjjjjjjjLDEDDDDDDDKDGGDDDDDDGGGGGGGGGGLLGGGDDDDDDDGfjjjjjjjfjjjffffffffffffjfffjj
DDDDDDEDGGLLLffjjjjjjjjjjjjffGDDDDDDDEDGGDDGDDDGGGLLLGDDDDDGGDDDDDDDDLjjjjjjjjjjffffjffjfjffjffffjjf
GDDEDEEEDGGLLfjjjjjjjffjjjjLffLDDDDDDDDDDDDGGDGGLfLLGDDDDDDDDDDDDDDDGfjfKKEjjjjjffffffffffffffffffff
GDDDEEEEDDGGLLfjjjjjffLLLffGffLLLEDDEDGGDDDGGGLffffLGDDDDDDDDDDDDDDDLjLjWEEjjjfffffffffffjffKEffffff
LDDDEEEDDDGGLLfjjfjfffLLLLLGffLLLKKKKDGLLGGLLfffffffLDDDDDDDDEDDDDDffjLjKEEfjfffffffffffjjfffLLfffff
LDDDEEEEDDDGGLffjjfffLLLLLLLffLLLEKKKEGGffffffffffffLGDEDGDDEEDDDEDt,jjGWKKGGGGGGGjfffLLLfffLLLfffff
LGDEEEEEEEDDGGLfjjfjfLGLGGGLLLfLLEKKKEGGffffffffffffLGDDDDDEEEDDDEGi::ifKKKDGKEEEDDDEEEEGjtGEEGGffff
LGDEEEEEEEEDGGLfffffLGGGGGDGLfjGLEKKKGEDffffffffffffLDEEDEEEEEDDEDf;::,,DKKDDDEDDDDDDDDDDGGDKKEDDLff
GGDEEEEEEEEEDDGLffffLGEDDEGGLGGDEEKKKWKEfffffjjttjffLDEEDEEEEEEEDGt,,,;i;WWWWKKKKKEEDEDDEEEEKKKKKDff
LGDEEEEEEEEEEDGLLffLGDDDDGGLLGKKEEEKKWKEffffjtttitffLGEEEEEEEEEEDfi,:,,ijjLWWWWWWWWWWKWKKWWWWWWKGLff
GGGEEEEEEEEEEDGLLLLLGDDDDDEEEEEEEEEEKKKEEfffjtitiiffLGEEEEEEEEEEGji;;iijffDWWWWWWWWWWWWWWWKKWLffffff