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Barney declares February 13th "Desperation Day" this week, where lonely single women make for easy targets.
Robin, determined to show that not all single ladies are obsessed with having a date on Valentine's Day, makes plans to hang out with a group of girlfriends instead.
Ted, afraid to move forward too quickly with Zoë, hides out with Marshall in Minnesota; while Lily takes the phrase pillow talk to a whole new level.