I used to think that in the future I would be a totally different person, and all my problems would be solved and I would be a cartoon example of a boy grown into a man. This is bullshit, who you are now is who you are going to be for a while, you are still going to jack off, you are still going to browse chans, you are still going to play video games, and you are still going to think disgusting thoughts.
It's not that you failed at changing yourself, life just sorta rolls on, there's no day that you suddenly woke up and got your shit together, it's a gradual process that you won't even see coming. Most of my problems that I had for myself weren't even problems. I discovered my sole problem was that I didn't have enough friends, and I didn't talk to enough people. Everything else was just bullshit I created for myself because I lacked social interaction, unsolvable puzzles made so I be occupied while alone.
I don't know what your main problem is, but the only advice I can give you is to make realistic goals. Realistic goals are very very different than unrealistic. Let me give you some unrealistic goals:
>all of that the world is your oyster bullshit, start a revolution, etc.
>fuck every girl you meet
>become a navy seal
>become a drug dealer
These are bullshit goals said by guys who don't leave there houses and watch too much fucking movies. I'm too lazy to list real goals, but you understand me, don't do things like run 20 miles in 10 minutes, get a titjob by Angela Merkel, read 20 books in one week. Keep things realistic.