Practice, practice, practice. The ORA book will help.

http://shop.oreilly.com/product/9780596529833.do

I have not watched it, but knowing what a brilliant speaker Damian Conway is, you’ll probably learn a ton and have a blast watching his Mastering Vim video.

http://shop.oreilly.com/product/110000687.do

Other Conway vim resources:

- Damian Conway on How I Vim: http://howivim.com/2016/damian-conway/

- OSCON 2013 talk: https://www.youtube.com/watch?v=aHm36-na4-4

- Damian Conway’s vim setup: https://github.com/thoughtstream/Damian-Conway-s-Vim-Setup

Please read the author's introduction: "An Introduction to Display Editing with Vi" http://www.verticalsysadmin.com/vi/vi_editor__bill_joy.pdf

I also recommend the O'Reilly "Learning the vi and vim editors" book, http://shop.oreilly.com/product/9780596529833.do and my own course on vi basics, http://www.verticalsysadmin.com/vi.htm