My baby is 6 days old. BF has been a struggle as far as latching on. Sometimes he does great, other times he won't open big enough for a good latch and will only suck on my nipple. Its getting painful at times to feed him. He does his best if we are lying down in bed naked. If I have a shirt on, he has clothes on, is swaddled, or if I am sitting- its like he forgets how to latch on and won't feed. I keep trying to feed other ways but eventually I give in because I know he is hungry and I know I can get him to eat in bed, naked. I know they love the skin to skin contact, and so do I, but he has to learn to eat with clothes on with me sitting up. He also isn't a good burper. Suggestions?