I'm not a woman but I'll add my 2 cents anyway.
Cravings for chocolate could be down to the fact your body/brain wants seratonin (sorta like a 'happy' neurochemical; has an effect on endorphine release too - hormones that make you feel good, released during sex etc) or, it wants caffeine (a mild stimulant possibly habit forming) or possibly sugar (the sugar rush).
Perhaps not always specifically chocolate but my body often wants caffeine/junkfood cravings.
Personally I often give in to them but I don't know if I'd recommend it.
