My baby is 23 months old and he takes breast milk before sleeping at nyt n day time 3 times n nyt wenever he wakes up till morning.. Normally I dnt have problem to feed.. But i get nipple cracks very fast.. Because of baby s teeth n dryness of nipples.. Its very painful.. So i have problem with feeding. He doesn't like using nipple shield. How to stop feeding or wen i can stop feeding my child