It seems that my natural weight is around 275-280 pounds. It doesn't seem to matter how much or little I work out or how much or little I eat; I always hover around there. It's been that way for six years or so. The one exception was that for a few months I dropped all the way down to 255—I think it was the first semester of my senior year in college. For those months I worked out three or four nights a week for a couple hours, and I wasn't eating nearly as much. Once I stopped, I hit 280 again very quickly. So, it can be done... it just turns out that it requires more work than I'm willing to put in.
I wasn't happy during that time; the constant spectre of the rec center just made me look forward to the night being over. I've never understood why some people seem to enjoy working out in any form; it's just so incredibly unpleasant. Even were it not for the pain, the effort, and the awful music, there would still be the atmosphere of being with dozens of other unfriendly people who mostly don't want to be there either. I don't want to be around people who want to be working out; I don't usually like being around people who are enjoying anything that I detest. But, I don't want to be around people who are mostly all angry or depressed or bored, either. And, I don't want to hear, "oh, it's fun," or anything like that.