I dunno. I'll let you know in the summer.

I think a lot of women use their period and the time before their period to do, say and eat whatever they want BECAUSE I'M PMSING AND I HAVE CRAMPS. Do some women crave chocolate on their period? Probably. Are these women the type who pretty much always want chocolate? Probably. I can say I've never thought, "I need a new tampon AND A FUCKING MILKY WAY NOW." Maybe it's all a facade, like make-up and push-up bras.
I also have to say that so far, I haven't been overly moody and bitchy now that I'm pregnant. I'm usually pretty laid back, until I have an extremely legit reason to be mad, and then I'm mad. Now I'm more laid back for the most part, but I'm more vocal when I'm mad rather than letting people walk all over me (like usual). Not necessarily in a bitchy way, but just saying "No that's not going to happen." But a few women we know who just had babies/are pregnant have turned into completely irrational nutjobs. These women, though, have always been pretty moody/bitchy and highly irrational. So I'm convinced some women take advantage of being pregnant as well to get by with whatever they want, or their typical behaviors are magnified while pregnant. Maybe both.