It is indeed possible for those who have the will, courage and faith.
To change your circumstances, first start thinking differently. Do not passively accept unsatisfactory circumstances, but form a picture in your mind of circumstances as they should be. Believe and succeed.
It's always too early to quit.
If Jesus were alive today, he'd probably be at the Super Bowl.
If there is no fun in it, something is wrong with all you are doing.
Develop a tremendous faith in God and that will give you a humble yet soundly realistic faith in yourself.