Weight gain

Im so skinny i want to gain weight so bad but i just cant eat 😭 im not hungry i eat like once a day i meal prepped and everything and i just cant eat. I need help some advice or something i just wanna gain weight but my bodys so adjusted to me not eating. Im not sure how to change it, anything that might make me want to eat?

Ive tired apetamin and it just makes me soooo sleepy. I cant be that tired i have work and a child to look after.

This me, my stick figure looking ass 🙄