I sometimes burst into tears after my boyfriend and I have sex. Sometimes, I feel as if I'm floating after and I start to laugh, uncontrollably. It's  Other times I feel this intence feeling come over me like a wave. I start to cry ,and I try to stop it from happening because my boyfriend thinks he did something wrong, or hurt me.  I breathe really heavy and I start to cry. And I don't know what is causing it. I'm not sad, or angry, it's so strange. Is it just part of my orgasm sometimes( the laughter or tears)? Dose anyone else experience this?