Peace of mind

[Justin Bieber]

To be free of worries, it is often used as a bullshit term on commercials that try to say that their product will give you peace of mind and somehow completly solve all of your problems

[Sarah]

making yourself feel good whether your standing,laying down or sitting down, concentrating on good emotions and repeating positive thoughts these thoughts are what make YOU specifically happy/feel good. Thus your peace of mind

[Mark Zuckerberg]

The rockin Boston song that inspired Hannibal the Cannibal to eat brains.

[Zipporah Schumaker]

a feeling of calm or not being worried: