Should I give ex-boyfriend second chance after passionate kiss?

After midnight he pulled me into a corner and we had a long, passionate kiss. It’s left me feeling very confused. We split up a year ago because he’d sex with a woman he met while on a weekend away with his mates. Should I give him a second chance?
Is a long passionate kiss reason enough to start off with your ex-boyfriend again? Think about it. You were hurt by his behaviour a year ago. He broke the trust of your relationship. By having sex with someone else you were betrayed and it can take a long time to recover from the loss of trust.