Would you let a good thing go?

hey yall. i was dating this guy for a hot minute. after it got deep i was so in love with him and he made like he felt the same way so i took on the wifey role, taking care of this **** and everythang. it didn't work out b/c he was still messin' wit his ex (something i still don't get b/c in every aspect, the chick aint got nothing on me, seriously). but he wanted to keep me around. i was like baby f*** no. would any of yall screw up a good thang:?