How quick are you to go comfort him when he cries in bed? We did the thing where we let him sort him self out unless he was crying for more then 15-30 min. Af

How quick are you to go comfort him when he cries in bed? We did the thing where we let him sort him self out unless he was crying for more then 15-30 min. After a couple weeks they learn to self-soothe. It can be hard emotionally for the parents. Also getting him off the boob and on the food helped. A belly full of babyfood seems to last longer then a belly of milk.