After I demanded that we get Mexican food immediately, if not sooner:
"I'm going to want to keep you pregnant forever. All you want to do is eat and sleep. It's like you've turned into me! ... And I'm awesome."
While browsing through a baby store because we just couldn't help ourselves:
"Oh man, some of these toys are so COOL! ... Um, do we have to wait until the baby's born to get them? I mean, we should probably test them out first for safety. Or whatever."
When he spotted a little dress embroidered with "Daddy's Little Girl":
"Yeah, don't tell anybody, but I guess having a girl wouldn't be completely horrible."