I can’t eat

it's not normal or healthy to get medical advice from strangers on the internet. Please see a medical professional if you are concerned.

Eating disorders are a normal part of depression! Try eating your favourite foods. If that does not work, PLEASE see a doctor about it
Also
It may seem like the world is ending for you, but don't give up hope. Life has a way of letting you down, but it always gets better. There are people out there who love you, who care for you, and want to help you. Just stay strong inside, and don't give up on your life!