Eating becomes your only instant gratification. I know because I have also been through it. The relationship has to be positive for you to remain comfortable and successful in performance activities, such as in sitting. This is often difficult to accomplish when you are carrying more physical weight, than can fit into any normal sized office chair. Obesity is not a pleasant word to use, because it doesn't explain the causes of you gaining so much weight it. The word ergonomic is used to understand the positive relationship that is involved between equipment, the human and the environment in task related activities of daily life. The contribution is usually a consequence of multiple stresses related to family dynamics, employment and financial circumstances; that load on your shoulders, without any form of gratification or pleasure. I can only empathize with your current situation, but warn you that your current comfort needs must change focus; from food gratification, into living an active and healthy lifestyle that you can enjoy.

At the end of the Tour de France last week, the new elite Canadian cyclist told journalists about his new standing position as one of the top elite cyclists "I never imagined this would happen, I just got better and better as each day went along".