ALL CAPABLE adult's especially U R proper in-of Jesus CAN learn & teach what Jason Bourne's learned! & like say, Jason Charles Bourne-David Webb (Matthew Paige Damon) amidst film-movie fight scene with another gently stumbling backwards in2 shower area, my point ANY 1 USA-globally of the innocent CAN learn something of SELF defense physical body movement's as it's said '1 (one) punch is all it takes BUT hey, further quiet a fool dead or just nap unconscious (the best reasonably as I could find of the scene so let it play & U'll see it-watch carefully / closely) - https://www.youtube.com/watch?v=uLt7lXDCHQ0