The only way you can change is to change yourself - discipline yourself. Change your routine. Change your diet.
1) Why don't you have more friends? 2) Why don't you have an idea about 'working'? Have you never worked before? Why? 3) Why think about a girl who judges you based on your current situation rather than the person you are?
I am not sure if I should apologize, but if I were beside you, I would ask you something similar to 'shake' your current thought process.
Fellow HNers: I am genuinely curious to know - what's the relation between living between parents and failure? Why are people living with their parents associated with failure? What if I work a decent job and earn well, but live with my parents?
In the 'east' - mostly asia, it's not looked down upon if you live with your parents. From what I hear from friends, it's similar in Russia and parts of eastern Europe too.