He did one of three things.
He apologized.
“Now that I think of it … I am ashamed,” read the subject line of Cuomo’s email to Ross, which went on to say:
“Though my hearty greeting was a function of being glad to see you … Christian Slater got arrested for a (kind of) similar act (though borne of an alleged negative intent, unlike my own) … and as a husband, I can empathize with not liking to see my wife patted as such … so pass along my apology to your very good and noble husband … and I apologize to you as well, for even putting you in such a position … next time, I will remember the lesson, no matter how happy I am to see you …”
He could have turned himself into the police and gone to jail like Slater.
OR
He calls her a liar and says it's fake news and tell her husband his wife is ugly and expect the man to apologize to him.