Personally I like getting insulted by my tools. I always put `Defaults insults` in my /etc/sudoers file so every time I enter the wrong password, I get insulted. I wish more tools supported this. I think computing in general is fun, and wish more tools had fun things like this.

    $ sudo whoami

    [sudo] password for user:
    Your mother was a hamster and your father smelt of elderberries!

    [sudo] password for user:
    Your mind just hasn't been the same since the electro-shock, has it?

    [sudo] password for user:
    sudo: 3 incorrect password attempts