I do the same – write down a long password where upper and lower case letters a mixed liberally. Type it a many many times but don't memorize it. Now you have t

I do the same – write down a long password where upper and lower case letters a mixed liberally. Type it a many many times but don't memorize it. Now you have the password as muscle memory but have no way to tell anyone what it is. Make sure to save the password in a password manager!