What's the best habit that improved your life?

I wish I could remember what my motivation for it was but it was certainly the most beneficial thing I'd ever done, until I found out about "un-making" your bed. If you're not changing your sheets every day, and let's be real no ones got time for that, it is more beneficial to pull your sheets off and let them air out for the day.

But goddamn that video might make me want to change my mind again.