Married man flirting with me when drunk?

Do you think people's true intentions come out when drunk? I am married and we have married friends that come over and the one male friend was flirting openly with me that night even to the point of rubbing my foot in front of his wife and seemed to be somewhat staring blanatly too. I have had a suspicion before this of him possibly liking me more than a friend but this behavior makes me think even more. So was he just playing around or is there some meaning behind it that he is showing when drunk? And for the record no I wasn't egging him on or anything to make him act like that.
Married man flirting with me when drunk?
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