I have a "system" and just memorize them. Though my memory is "sharp", it's really not that difficult imo. Though it's also imbedded in other characters in the PW, if you don't know the serial # from my bycycle I had over 50 years ago .... good luck

.
That's just one example fwiw.... make a longish sentence that meets all the "PW criteria", and is easy to remember if that helps.
I used dynamic PWs back in my latter corporate daze (FOB changed it every minute), for system access, so I'm not lax about security.... I've never written one down, nor stored them .... anywhere.
I have a Reynolds Wrap cap too