Should i take him back?

okay i caught him cheating on me and i really liked this guy and when i found out i cryed for days and when i was walkin downtown i ran into him at the store and he kept tellin me that he still loves me and to take him back he even got on his knees and begged in frount of everyone and he said that he promisis that he will never cheat on me again and i dont know what to think so should i take him back