One of the first symptoms of pregnancy for me is sexual dreams about my old boyfriend. I haven't been with (or wanted to be with) this man for almost a decade, but, without fail, all 5 of my pregnancies have brought on sexual dreams about him. (Most of them are pretty tame, as sex dreams go.) Sometimes it will be my husband, but with this other guy's face. Weird. I'm not going to attempt to analyze it, but I know a psychologist like Freud would love a crack at it.