I have a drill doctor that I have used a few times. It works pretty well. I also have had some guys that work for me can ruin a high-speed bit on a wood 2X4. So I purchased some lifetime warranty bits. Pretty soon, they will quit answering the phone when I call.
Before I knew what a rangefinder was, I shot a caribou that we paced off at about 800 yards. First shot hit right behind the front feet. The second shot hit right the front feet. My hunting partner and I realized that we were way off on our distance judgement. Adjusted holdover and hit it in...
I had a Warrant officer that liked the phrase "We're surrounded on three sides, backed up to a cliff, supply lines cut off and rations are about gone. Situation looks good, we're going to attack.
I was on a fishing charter out to Catalina island 20 years ago. I was surprised when they dumped the trash into the ocean. I didn't know it was a common thing until then.