No Laughing Allowed (2012)

Boris is a satisfied fifty-year-old man with a wife, a daughter, a son, and - A lover. Younger one, of course. But he suddenly runs out of luck and thinks up a new plan to get back his harmonic life. However, with each new move he becomes more tangled up in a web of unexpected situations, his baits fall on unforeseen places, and his marital triangle gets more and more angles.