If your house smells, your clothes and hair likely smell too, depending on what you do for a living, it could cause problems. It depends on your life style etc people lose jobs over it (even if it’s legal in your state). Not worth it.

But we all have different deal breakers. If it’s not a deal breaker for you then all you can do is live with it. You can’t change people. I’d not stress over making him stop. He won’t.