He broke up with me 😰

My boyfriend broke up with me 😭 I thought things were pretty good. I feel so alone. I can’t stop crying. I can’t eat. I can’t sleep. I can’t believe I’m never gonna see him again😖 I have no friends cause they all stabbed me in the back. I don’t go out because I’m at home with a 1 year old and also no one to go out with. I have no one.... my son is suffering because I feel so bad I’m trying to put on a brave face but I’m struggling. Then my body confidence is crap because my body physically won’t let me eat so I’m losing a lot of weight fast..... I don’t know what to do 😰 what do you do when they say the cure for a break up is to spend time with friends but you don’t have any?