People who focus on what they can't control are usually depressed, frustrated, angry, overwhelmed and lost. Sure, there's no way to look at the world and say it's fair, even or just.
Life happens not to me but for me
Smile. It creates positive physiological change.
People don't lack resources, they just lack control over their resources.
Decisions decide destiny, there is no action without decision
Regarding the psychological, your goal must not be "I need to lose X pounds" but "I'm going to regain my identity," whether as an athlete, a conservative, a sexual being, a together person, whatever.