I'm a first time mother of a beautiful 4wk old baby boy. I introduced bottle feeding sometime around a week or two in because of my lack of knowledge. The basic problem is that when feeding sometimes he cries while the nipple is in his mouth and when I try again to relatch he does it well and I can hear him swallow milk but then shortly into it he does the same thing again. he will do this multiple times and so because of frustration and stress I introduced formula feeding. when I give him the bottle he immediately drinks the entire thing and falls right asleep. I feel like a failure for doing it because I should be able to feed my child without needing formula. At first I did it because I thought he wasn't getting enough but the doctor said he was gaining weight fine. Now I don't understand what is going on and I fear it's because I prematurely gave him a bottle. also he seems to feed fine throughout the night feedings after he's soothed from colic, but right before bed and in the morning is when the problem is at its worse.
is there anything I can do to find out what is wrong with him?