Do you ever get the feeling ur being used?????

i split from my ex in october. i started seeing a guy i knew from years ago, and yes it was my exs friend. i only ever saw this guy at weekends.yes we had . and he told me he loved me. and i had strong feelings for this guy, as i use to like him years ago. i then found out last mth that this guy had justed used me. yes gutted and stupid,my own fault for letting my heart rule my head. now after talking i think its starting again, i phone or txt him and he dnt bother for week then this week he phones and txts and meets me from work last nite!! got on great.today phones him txts?? nowt from him. i have a great chance wiv guy from northants.whos lovely,been threw wot i have? should i dump this user?? and try my luck wiv the northants guy.as friends.