Generally speaking, most operating-systems (Linux, Win-doze, OS/X...) realize that there will
come a time when "you, too" start preferring to read books and magazines by holding them close to your face and pushing your eyeglasses down on your nose so that you are looking over
They provide encrypted "key-rings" that you can use to store all sorts of things, so that you only need to actually-remember one
password... that of the keyring itself.
"First, you will laugh at this. Then, you will understand..."