Me :
1) Read - medium.com/wardleymaps
2) Use it for 3-5 years on real problems.
3) Teach.
X : I wanted to teach sooner.
Me : Hmmm, you want to be the person who teaches how to play guitar after reading a book but without ever playing?
Me : Well, that's because trying to teach without experience is daft. At best, you should get a group together to explore, talk about and discuss. Don't start trying to teach until you have experience yourself.
Me : Practice.
X : There must be a short cut?
Me : A time machine but I'm out of Zeiton 7 at the moment ... you're going to have to take the long path.
X : There is no shortcut?
Me : To practice? No.
Me : Wait ... I've this AI based, blockchain powered, 2x2 which will ... phew, day dreaming or was that day nightmaring again. The only key to mapping is to start and no, "thinking about mapping" without doing any is not starting.