Need advice

Hi I am new to this site. I would like some information / assistance on how to deal with a dilema. I dated a cocaine addict for 6 months. We never really committed to each other & I suspect I was just a means to an end for him..... using my car etc.. etc... He is a wonderful artist but I suspect he lives from one painting to the next to support his habit. He "snorts" cocaine & says he has 1 gram a day, is he lying about the amount he uses. He has no tv, no car & no furniture & sleeps on a mattress on the floor. Previously he earned a lot of money, drove nice cars & had a nice home until he got divorced about 6 to 7 years ago. His nose is constantly runny, dry mouth & scratches his hands a lot. I do notice his moods change - he will scream at me for no reason - totaly out of the blue & say such cruel things to me & not even apologise. He met a new lady about 1 month ago who lives in a different city. He hooked onto her as he has always wanted to live in the city she lives in - cheaper rental etc.... He says he is moving to clear his ways but him & i did spend a weekend in this city last year - he stayed an extra 2 weeks to get "clean". I found a msg on his phone when he had only been in this city for 2 days & already found a dealer. My question is... are cocaine addicts abusive & cruel - together with his drinking. Will he change for this lady. Thanks so much, i would be so grateful if someone could give me some advice.:: Tweet