My crack addicted partner?

My partner has become seriously addicted to crack cocaine, after stealing from my family members, becoming mentally abusive, and screaming and me & the children to leave our own home, he often tells me if I shown him more “affection his habit wouldn’t be so bad” this is often what he tells me. I have become so numb to it all and it has had such a decremental effect on my mental health I often argue the fact that his relationship would improve if he sorted his addictions out, I have become friends with a male after the last time the thrown me & the children out and he has tried so many way to help me get away from my partner even helping me almost get another home for me and My children to live in. My partner has been through all my online accounts email, banking and seen I had deleted a conversation from this guy, I don’t want my partner to see our conversations on how much this guy has helped me & my children even offering us to go to his house until we get our own home ( I have turned this down many a time in fear it will escalate with my partner ) and for my own children’s stability. My partner keeps asking me to recover the conversation with this guy and has made many threats of hurting him etc and all then rest of it. Please tell me your thoughts am right to deny affection after everything he has out us through and to disbelieve that is the reason for his addiction in his eyes becoming worse or am I out of line and somewhat to blame?
My crack addicted partner?
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