Mr Martin, who used to spend his days playing video games and watching TV, explained in "I started eating to ease the pain and before I knew it, I was binging every time something upset me.
If they are not treated they can require a lot of medical help which can be very costly.
He'd also snack on sandwiches, chocolate, crisps, sweets and biscuits.
He said: "Hi guys, I just wanted to let you know that I love you guys and thanks for being there for me.
See A Lady With Biggest and Fattest Breasts in the World (photos)
Mr Mannur added: "Keith, like many people, had some emotional issues and he turned to food for comfort. It was unlucky he then caught pneumonia. Mr Martin left behind his two sisters - Sharon and Tina - who cared for him for many years leading up to his death. A hopeful Mr Martin said beforehand: "I'd resigned myself that either I was going to die in my bed or I was going to kill myself. Has Farage had one too many? It will be much better for everyone in the long run. His weight had dropped to 39 stone.