I was thinking about something similar: Use a password which reminds you of your seed phrase. Like use the initial letters of every word + add some random stuff.

paranoia much?
What is wrong with that?
If you know what are you doing and how you do it.
Are you leaving your house? Be careful maybe a rock block will fall over you if you leave your house...

Typing a seed phrase in an internet-connected device you mean?

franzap

bitcoin

Do you have a brain wallet?

I use one seed exactly as a password.
Using it almost every day it's easier to memorize it.