There is no hope for an active addict, but he seems to be an addict and cruel and mean.
I'm sure you're truly disappointed because we keep this idea in our heads that they will get well and be ok.
In the meantime, while he's out getting laid and falling deeper into his sickness, get to al anon, stay away from men, work out, eat well and make new and fun friends. You will see how quick you'll heal.