One quick step (if not the only one): Exercise. It won't solve all you're problems, but it will make you feel better including about yourself. You don't have

One quick step (if not the only one): Exercise. It won't solve all you're problems, but it will make you feel better including about yourself. You don't have to go to extremes -- just "get in shape" and make it a regular (I'd suggest daily) routine. View it as a first step. It may make you comfortable enough to take some of the subsequent actions you seek.