married guy

  A married man who said he is single.we been hanging out for two months now.Last night I found out that he lied to me all this time.did I like him yes did I stil like him now f no!.i felt sick,stupid can't get out of bed this is the worst thing or wrong thing did I blame myself.also piss of how could such a person do this.im hurt my guy friend advice was to tell the wife about what happened? Me thinking about telling the wife will make it even worst for their marriage?or should I just leave it alone move on? I'm so lost can't even get myself together...