I need advice .. please

Iv been seeing this guy ill call him 'M' for the last 2 months and iv had to give him an ulitmatum whch i feel so crap about, I really like this guy, hes met my son aswell and he treated him just like his own but he keeps dissapearing for weeks on end. when we met he dissapeared for 2 weeks then about a month after that he dissapeared for 3 weeks then we met again and this time its partly my fault.

My sons father got out of jail and i found out, i kind of freaked out cause it was a really bad relationship he was violent and messed with my head alot and to be honest it took me a long time to get my head sorted after i left him .. luckly i had my son to keep me grounded.

This guy scares me and i kind of freaked out told 'M' i thought it was better if we finished it cause i didnt want to be worrying if he was gonne dissapear again and worry about my ex being out as the last time he got out of the jail he stalked me and my son, but i dont want ' m ' to leave.

iv made a mess of things, i did tell him i wanted him and that i was sorry but thinking he wasnt gonne come bac i gave him a week to sort out what he wanted or im gone ...... how the hell do i fix this mess, I really like this guy so much.

please help xxxx

Shorty