I read that a 2 month old should have about 4 ounces every 4 hours. My son never goes 4 hours. He has a 4 ounces bottle about every 2-2 1/2 hours. Sometimes he could eat it before 2 hours. I do my best to make him wait. Although sometimes at night he will go up to 3 hours until he wakes up to eat. He weighed 7 lbs. 3 ozs. at birth. At 3 weeks old he weight 9 lbs. 5 ozs. I couldn't believe it. I don't want to overfeed or make him have weight problems in the future. I have considered giving him baby food, but not sure that he's old enough. Also some days he will sleep alot and some days he won't hardly sleep at all. He will doze off and wake up doze off and wake up. Late in the afternoon he will go 5 and 6 hours without sleeping. When bedtime does come he dosen't want to go to sleep. When he finally goes to sleep and we lay him down he usually wakes up, we have to do this several times before he will stay asleep. He is very fussy in the evenings, we thought it might be the colic, but he doesn't seem to be in pain. I am very concerned about this. I don't know what is wrong with him. Please help!