Starting with a pair of Force Majeure screenings perhaps strategically scheduled on either side of Valentine's Day (Feb. 12 and 15), this month's highly recommended YBCA retrospective of Swedish writer-director Ruben Östlund reveals the career progress through which sad-funny failures of manliness have become an Östlund specialty, with the filmmaker developing a sophisticated internet-age understanding of how social pressure and attention dissipation have combined into some subtle evil superforce that may be driving us all insane.