With everything that was going on in Baton Rouge last week, we skipped our usual Monday installment of Prager University videos. That means we’re going to double-dip this week, and the first of today’s two is from comedian Yakov Smirnoff – who explains the importance of laughter in relationships.

It seems that studies show laughter is an important gauge of the health of a marriage or other romantic relationship – when the two people are laughing together, generally speaking it means they’re happy together, and when the laughter goes, bad things follow.