This is my reason too. The only forms of exercise that I don't deeply dislike for their own sake are prohibitively expensive or require a commitment of 3-4 hour

This is my reason too. The only forms of exercise that I don't deeply dislike for their own sake are prohibitively expensive or require a commitment of 3-4 hours at a time. I exercise instead when it becomes a pleasant way to accomplish something I have to do anyway. For me the trick is to find good ways to incorporate exercise into activities I'd be doing anyway. When the weather is nice, I walk to work because there's a lovely tree-lined route and it's much more enjoyable than standing on a loud and crowded subway. If the elevator line is 15 min long, I'll walk a few flights of stairs. And of course, the subway itself plus living in a walkup means a handful of flights daily. And maybe I'll get off a stop early and walk half a mile home, stopping for groceries along the way.