I wish you continued health and well being, but cutting today without a helmet, chaps,heavy leather boots and gloves is a fools errand. Sure none of these things will guarantee your safety, but they'll sure help. Just last year I was cutting some Shagbark Hickory, when a chunk of the bark ripped free and hit my face shield right where my eye was. It dented the steel mesh all the way to my face and bloodied the skin. Imagine that same strike with zero protection, not even safety glasses. I could've lost an eye. Sure everyone did things differently "back in the day" that doesn't make it smart given today's technology. I hate safety glasses when cutting wood, they fog up, and slide down my face, not so with my mesh face shield. Adding a helmet, also saved my bean from a few hard knocks like cutting a bent over sapling and having it snap straight back into my head. Yes it still hurt, and yes it gouged my helmet, and shoved it down to my nose, but better than my skull. Safety chaps, it get it, they are hot as hell in the summer, which is why I cut in the fall and winter.
Felling doesn't bother me so much, but when I encounter a hang up or snag, I don't even mess with trying to free it, I hook a 80' x 5/16" logging chain to the snag and use my 40 HP 4WD tractor to brute force the thing to pull free and fall. If mine won't do it I borrow my neighbors IH 1486, and that seems to gently nudge them loose.