Boyfriend trouble?

i been with this guy and weve ben off and on for about a year now and well hes gorugesous but he is not the most reliable like in the time weve been dating weve never gone on a date and today he got invited to a girls party and she likes him and shes not ugly enough for clark to be turned off! :( and shes older than him and hes quite the opputunist well thats it thanks ps: i dont want to get dumped bye him agin!