I used a memetic password for years, until one password was compromised from a database leak (check out haveibeenpwned.com to check yours), then I just got a password manager and now I don't even know my own passwords other than the master password which is a long phrase of obliquely ordered words.
"The first principle is that you must not fool yourself — and you are the easiest person to fool." - Richard P. Feynman