Personally I have come to wander the psychology and rationale behind the longing & need a woman has towards a man she has just had sex with, this longing always surprises me because maybe I expect that the woman understand or should understand that sex is just sex. but is sex just Sex? Eva Alordiah will help us understand what sex is and why men leave after sex. pen down & ask questions in the comments below and we will give you the answers you desire.