QUESTION

I have met someone who is been involve in drugs and fraught and he's been living a rough life , im a mother of two and i have just told myself that i have last chance to do right choices in ma life....remember this two kids different fathers so after i have just find out about his life style before not even sure that he has changed and for good, i decided to quit and tell him i dont trust him and i dont wanna regrets infuture i dont want to marry the wrong person again its not only about me but again i cant afford to fail my kids this time.so we need to stop from seeing each other but he refuse to separate with me and we just been together for a month and im so scared to continue with this i dont want him anymore please help becouse he told me that he's going no where, i dont want him i have a feeling that he's not the man im wating for please help im desparate.