Librarian:There's a problem with this account update. It seems you have changed your default library account password.
Me:yes.
Librarian:...
Me:I like chaning my passwords every now and then.
Librarian:It's not recommended to change your password. No we cannot update your account.
Me:...
Librarian:I'll create this extra account for you, and restore its default password. Your password should be the first four digits of your birthday. But don't change it again. It's makes life difficult for all of us.