My baby is three weeks and two days old and all she wants to do is eat. She eats for 8-30 minutes and then wants to eat again before the hour is up. I know that she is probably going through a growth spurt but when she is sleeping she can go for five hours without eating. I was wondering if maybe she wants to eat just bc she is bored. I can't get anything done bc she is always eating, how long will this last and is this normal. She ate at 3:45 until 4 and then she was acting hungry again at 4:30 so I fed her. She ate for about 5 minutes and then threw it up. She is acting hungry again and it is now 5:00 but I am afraid that she is over full bc of her throwing up before. She always acts hungry, how do I know when she really is hungry and not just wanting to use me as a pacifier.