Rabbi Glass offers Matt marital advice after the medical student and his wife have a fight; Kevin and Lucy get a dinner invitation from the officer's ex-wife, but he's reluctant to tell Lucy about it. Elsewhere, Peter thinks something is amiss when his mother goes out of town for a business trip; and Ruthie keeps a secret from her mother. Mindy: Mindy Burbano. Betsy: Keri Lynn Pratt. Rabbi Glass: Richard Lewis. Matt: Barry Watson. Martin: Tyler Hoechlin.