He worries about repeating himself in writing and tries to vary his writing.
As research for his writing he has variously: bungee jumped to feel what like to fall off a building; gone to self-defense class; watched sword-fighting at Cons and of course read broadly.
If you are viewing this on github.io, you can see that this site is open source. Please do not try to improve this page. It is auto-generated by a python script. If you have suggestions for improvements, please start a discussion on the github repo or the Discord.