Ay congrats mamshie! Ganyan talaga ang preemies sometimes, they're extra hungry dahil ang goal nila is makuha yung nutrients na mawawala nila sa loob, kaya parang rushing mode sila hehe. A few of us had early babies din and same experience, ang bilis nilang kumain, basta monitor mo lang na wet diapers niya are good (6-8 a day) at steady ang weight gain, pero definitely ask your OB or pedia kung concerned ka pa rin, they can check if latch and milk supply okay na.