Why sometimes the baby doesn't want to breastfeed I give him He sucks and…

Why sometimes the baby doesn't want to breastfeed I give him He sucks and licks the nipple. Or he kisses the nipple with his lips and that's it Sometimes he doesn't want to take it. And if he takes it, he doesn't drink the milk I don't have bad habits I eat normally I don't know why But when he wants to sleep without breastfeeding, he won't fall asleep. Even though she will be in his mouth just like that. He puts his hands on the chest. Just I'm afraid of choking and sometimes I remove a little bit of the chest and it turns out like he's sucking the nipple and he starts crying But