How do I lose weight?

When I was a little kid, I was bullied so much that I started to binge eat fast food and sugar to deal with my depression. I gained over 10kgs and I felt awful. I have been trying to lose weight for ages by overexcercising myself and I haven't gotten skinnier. so I thought why not starve myself instead? It didn't work either. I ended up putting on more and more weight which really damaged my mental health even more.

My body type is a mesomorph going into endomorph. I was skinny as a kid. how do I go back to being skinny again?

How do I lose weight?
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