My DH was addicted to weed for over 10 years, he smoked it every day. But ultimately lied about it. It turned him into a monster. He was abusive, selfish, explosively angry, moody, unmotivated, lazy, parankid, jealous and became very depressed and suicidal.
I was trapped in an abusive marriage and eventually it got so bad he was arrested and removed from the house with bail conditions that stated he was allowed near me of the DC.
It's been 13 months since he was arrested and with the help of the police, social services, woman's aid and the GP, he is clean. It's taken a lot of hard work from him, and a lot of soul searching from myself but we are slowly getting back on track, and I mean slowly. It's like being married to a different person, he's the DH I used to know. I'm still very cautious, but for the time being things are good
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I do completely agree it depends on your personality as to how it effects you. Weed was the devil for my DH, but for many it has the opposite effect. It destroyed our lives, and both of our families lived as well. It was the weed that caused him to behave in the way he did, and only now he's stopped can he see that.
My advice to you OP, is that you don't have to walk around on eggshells all time time. Many eggs have been broken in this house over the years. Get out while you can, he is abusive. If it's the weed is causing his behaviour then unless he stops, his behaviour won't change. It's a never ending cycle.