The guy I like has a dark past, what should I do?

So I liked this guy for a couple years now. We actually just started reconnecting. He’s pretty open and honest and said that he has a past. He was into drugs, addiction and had major anger issues. His friends from that phase of his life are still the same and are still his friends to this day.
My friend tho seems to have had a major transformation, he found spirituality a few years back and has been recovering. I don’t judge for his past, but his friends tend to be enablers. So far he’s been doing well, but I feel iffy associating with his friends.

What should I do? Should i hold up on trying to date atm? Thank you!
The guy I like has a dark past, what should I do?
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