Okay... Now for a couple hacks that I've long had in my head but never put on paper.
Back when landlines were home phones, speed dial was common. My parents only knew my number was "4." Now cell phones conviently store phone numbers. What happens when there's a glitch or your phone loses power or you don't have your phone with you and you REALLY need to reach someone or....
Simple solution, but I have yet to do it myself.
WRITE THEM DOWN. Carry them in your wallet or purse. You may never actually need them, but you never know when just might.