It would be best to remember your passwords, but in the case of complex passwords, it is almost impossible. It’s essential to use a password manager that acts as a safe. Passwords are collected in an encrypted form. It is is a specific obstacle to other ones. The main password to safe the other ones should be complicated and remembered by you. Do not write down your password anywhere. Forgetting a password can be fatal; first of all, you lose access to the safe with passwords and block all access.

https://www.welivesecurity.com/2020/05/07/5-common-password-mistakes-you-should-avoid/