I also spent some good amount of time watching marc's videos on pespective and did some exercices (shapes in perspective mostly, Nothing complicated) and all I need to do now is one of the assigments, drawing my room in 2p perspective. My back is killing me, so I will finish it another day, but here's the sketch.
Yeah I definitely do not have a big tv or a bunch of swords in my room, but a guy can dream.