I've been lighting it when I'm working on my desk — talk about instant mood booster. (thirtyminusone.com)
A flat and moderate - paced outdoor hike is also body friendly — and an instant mood booster. (health.com)
Though sometimes it may seem like a Herculean effort, the simple act of smiling is an instant mood booster and attitude re-adjuster for you and those on the receiving end, be they a total stranger or close friend. (mindbodygreen.com)