Been bloody feeding near 8 week old since 7:30pm , constant on and off the bottle..then rooting for more..then spitting out bottle ...then screaming ...then rooting and feeding ...this process since 7:30!!!...its now 11pm..Anyone else's baby doing this. I'm thoroughly peeed off and my right shoulder is in agony. He's been doing this since about a week ago. I never have a bottle out my hand!!