I think it's not exercise itself, the point is finding something you really enjoy. For example, I used to work out on the machines and walk on the treadmill and it was extremely boring. I did it because I was obsessed with being skinny, not because I liked going to the gym. I discovered crossfit two years later when I moved to another town and only then I started to enjoy exercising and actually went to the gym because it really felt good
It doesn't have to be exercise, it can be painting, singing, dancing, play a sport, writing, doing yoga, play with your pet if you have one... Just try to find something that makes you happy, and dedicate a part of the day to that activity