Girls, can you tell me, who has it like this? In the evenings, the son…

Girls, can you tell me, who has it like this? In the evenings, the son stops breastfeeding, wants to eat himself, cries, begs, and in the end doesn't take it. Today from 4 am till 9 we struggled again, in the end he ate, I don't understand the reason... there is plenty of milk.