Article continues below advertisementIf Barack Obama's chewing habits were a deal breaker, his marriage to Michelle wouldn't have lasted more than 30 years!During the Wednesday, October 1, episode of Michelle and her brother Craig Robinson's "IMO" podcast, the former first lady of the United States exposed what she finds "irritating" about her husband at the dinner table.Michelle made the revelation while sitting down with couples therapist Dr. Orna Guralnik - who was a special guest on the episode.