I like it Wild Bill. Situational awareness is important and recognizing your assets in your environment - we all need to do that.
Making the right decision at the right time - that's a tough one. That one comes with experience and age and instincts.
Sounds like you need to do a little PT and get that cardiovascular pumping a little more efficiently if possible?
One other thing. Don't underestimate a man with a knife who knows how to use it ... especially a young man who suddenly turns into a fast moving target rather than a stationary target ... a fast moving target moving towards you.
What you think about, you do ... what you do, you become.