Really. I used to carry around a caribenier full of keys. Literally, 2 dozen. Then I:
got out of college (-12 keys, I ran a bunch of student orgs)
got my own car (-2 keys for my parents' cars)
bought a house (-3 apartment keys, -2 for my parents' house)
got married (-2 girlfriend's keys)

I still carry a few on my one keyring:
My car
Wife's car
House
Bike lock
Office

They all stack nicely into my left front pocket with my change. The right front holds the phone. Left rear is my wallet. The pockets are always the same, as is their contents. It's a system that's worked well. As soon as I stand up, I can instantly tell if something is missing, and it's saved my bacon once or twice. Also, by keeping all my keys on one ring, I can't leave the house or the office or my bike or my car without having the ring with me. It's insurance.

If you were a pilot, you'd know one simple three word phrase:

Aviate, Navigate, Communicate.

A pilot's duty is to act in that order. Fly the plane, know where you are, and tell people. That hierarchy saves lives. Drivers could learn a think or two from Pilots in that regard.

Same kind of deal, but I was rewriting embedded code for a data collection system. In Iowa. In February. In the middle of a field. At night, so I didn't disturb the daytime readings. It took 3 days to catch the error in-situ and correct it (off by 1 in some obscure data mangling function as I recall), and I quit the next week when they told me I was going to go out and do it again.

Agreed. ANYONE but Mrs. Warrior. She sucks!