I think it's more complicated than that, Doh2007, at least for some men, and definitely for me. I don't think the act of sex necessarily leads to feelings of love, but the intimacy, absolute trust and physical closeness that comes with sex deepens and strengthens tentative or established feelings of love.

When the woman I love chooses to be exposed and vulnerable to me, and presses her body against mine, and I can feel her breath on my neck and her heart fluttering against my chest... to know that she trusts me and needs me in such an intimate way makes my love for her grow even stronger.

It's not simply the orgasm. It really isn't.