I suspect it is fairly rare for two people to fall "in love" with each other at the same time... it seems to me
that many males will fall in love with just about any female that vaguely says anything approaching yes to their advances
and that they are not nearly as descriminating as females as to who they will have sex with... I could be wrong of course ...
however, it seems to me that many males take advantage of women when they are in the throes of Endorphin/seritonin and who knows what
other chemical mix, is infesting their brain, which it seems it due largely to genetic issues that produce healthy children rather than healthy living conditions which often translates to the ever heard whine--- I know he is a jerk, but "I LOVE HIM."...
Why do we outlaw prostitution which is a rational deal for sex/money but allow people to marry legally when one or both of them are mentally impaired by being under the influence of very powerful biological drugs? no business contract is legal if one or both parties are impaired.
it seems that in some cases the endorphin [& others] effects can last as long as four years... after which time many a stray eye leads to many a stray body. btw, this is not to leave out the many females who take advantage of rich men in the clutches of hormones either