An Anthropology of the Subject: Stop blaming him for being a stupid bitch and owe up to being a whore. Your bf or his twin? You should never be with someone your brother or sister was with. A few months ago woke up with my gf, only to find her twin brother in bed with us.
I hate to say, but this is seriously unlikely.
Incest between twins
Submitted by Anonymous on Sep 7, 09 at I laughed, thinking he was joking. Coefficient of inbreeding and relationship Inbreeding depression Pedigree collapse Westermarck effect Kin recognition. Submitted by BellaSantin on Nov 24, 11 at Accidental incest Avunculate marriage Child incestuous abuse Consanguine marriage Cousin marriage notable cases in the Middle East Covert incest Incest between twins Parallel and cross cousins Snokhachestvo. Does anybody else find this disgusting and incestuous?