Table Saw Accident

A bout a week ago, I really screwed up. For over six decades, I've been almost religiously and ridiculously protecting my hands and fingers at all cost because I am a classical pianist. No matter what activity I was doing over all these six decades, protecting my hands and fingers was always foremost in my thoughts. For at least five decades, I've been a carpenter too so I've always been extra cautious around all tools especially power tools. I've built homes and everything associated with homes and only suffered relatively minor injuries. The worst injury to my hands (until last week) was a drywall injury. I was cutting drywall in freezing temperatures... work gloves on my hands... and accidentally severed the top of my left thumb with the utility knife... my gloved hand had my thumb placed on the steel straight edge, unfortunately, slightly over the straight edge and in the path of the cut.. I only cut part of the nail and some fle...