I spend a lot of time gazing out my office window at a palm tree wondering how to ignite a sense of purpose in whatever work team I’m trying to help. It turns out the tall palm often has surprisingly helpful, simple and broadly applicable ideas. Above is one.

The Purposeful Palm’s first tip might take no more than five minutes and be ridiculously simple but make no mistake: It will bring more joy to its beneficiaries than we likely know. Furthermore, there is evidence that it’s sufficiently meaningful to boost the happiness of those doing the good deed—for days or even weeks!