Watch a lot of JOJO and Kamen Rider

Read a lot of vns

Play a lot of JRPGs and praise them whitout end

Use :v at the end of every sentence

You are now a certificated autist and there is nothing you can do about to turn back

EDIT: Even if you cannot turn back, you can still try to go forward and become a weaboo but this guide will not provide any help in that regard since that's a level of self-degradation no human being should go to