He’s openly disrespectful, emotionally unavailable (or inconsistent at bare minimum), unfaithful and he has few real friends or ambitions besides sitting on his couch and doing drugs.
I honestly can’t tell if he’s attractive or not (although he’s clearly out of shape); he’s not exactly stupid but he’s clearly unwise and extremely irresponsible.
What does she in this guy? The only good things I can see him as a romantic partner are money and fame and she doesn’t seem like the type to obsess over that.
“I can fix him.”