Do junkies use drugs when they are stressed?

My boyfriend has a problem and i hinted that he needs to stop that

He said im stressing him when im pushing him on quiting drugs

And said it makes him want to do drugs even more

So can someone, professional or smarter than me, explain how does it work:I want him to stop doing drugs and he says its very hard to control it. I say he destroys his health and im not sure we can continue like this. He says he wants to do even more drugs if i press on him.

So... me saying :stop it or ill leave you.

Translates to him as:if she leaves me ill do even more drugs

My brain i not braining on this one

Please help

Do junkies use drugs when they are stressed?
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