American citizens don’t really have to imagine what it’s like to live with a malignant narcissist. And yet the razor’s-edge satire “Sick of Myself” from Norwegian writer-director Kristoffer Borgli posits a version of it for an insecure young Oslo woman that’s so outlandishly perverse, yet steeped in recognizable modern neuroses, that it might just have you tracking your own self-pity …
