Here is a link to an excellent article by Kris Wilder about things to consider related to self-defense.
http://kriswilder.com/get-out-of-jail/
Self-defense may seem like a no-brainer, but any time a confrontation escalates to physical violence there are more things to consider.
Kris Wilder is a self-defense/martial arts expert from the US. His articles and books are excellent sources of information. He is also a self-professed “CFL nerd” who even knows the Riders’ fight song!!
Check out the article.