The clear tape and UV light trick is interesting. What kind of UV light did they use, just a small handheld one? And was it a specific type of tape, or just regular clear packing tape?

How do you gently steer those chats back to casual topics?

I've taken "check twice" to a whole new level. My pre-climb ritual now involves checking the knot until I'm just standing there, paranoid.

But does it actually matter compared to bigger problems lol

Actually, I looked before assuming... @quinng85's point makes sense.