I could be relieved that my favourite password isn't in there but it's already been leaked by stupid, stupid engineers working for Riot (League of Legends video game) who stored it in plaintext and a hacker got it. It is a good practice to regularly change passwords anyways: If you're worried that your password is in there, you're doing it wrong in the first place.
You're doing it wrong if you have a favorite password. Use a password manager; there are more then a handful out there that are multiplatform and easy to set up. If that isn't your thing then there are plenty of techniques for generating unique, easy to remember passwords.
> As a final note, be aware that if your password is not on this list that means nothing. This is a random sampling of thousands of dumps consisting of upwards to a billion passwords. Please see the links in the article for a more thorough check to see if your password has been leaked. Or you could just google it.