It sounds obvious but not enough people do it often enough! So, do something everyday that you love, starting today, even if it's only for ten minutes.

If you're not sure what to do, write a list of things you've enjoyed in life but haven't done for a while. Lots of people give up hobbies like sport and music when they leave school or university, but there's no reason why you shouldn't take them up again now! Doing what you love is important to get those wonderful exhilarating feelings as often as possible. Make it your mantra and pass it on to others too, as sometimes they can forget when other parts of their life take over.