I don't think my heart has known such joy until today and it's all thanks to Taika Waititi, as per usual. On Saturday, Waititi was seemingly in a nostalgic mood because he shared a throwback video from the recent past — TIFF 2019, to be exact. Even though he was there to promote his upcoming film, Jojo Rabbit, the director's video had nothing to do with it and instead, focused on Twitter's crown prince Chris Evans. What's in the video, you ask? I'll let Waititi's caption that accompanied the video do the talking: "I …