why must i be so hungry?

i feel like an eating machine. never in my life have i felt such hunger. fasting on fresh-squeezed juices for days in undergrad - pishaw! the apple diet in high school - not even close! this is a hunger that feels like your stomach is nawing on itself. constantly. food will only satisfy it for a mere hour at most. it's the craziest thing i've ever experienced. the funny thing is, the websites say you don't need any extra calories in the first trimester, and shouldn't gain but a few pounds. yah, right.