Unavoidable stress is caused by things like weather, delays, other people’s behaviour, and physical pain or discomfort. Avoidable stress is generated when we make every small thing into a big deal.

Our phone vibrates with a Twitter notification and we do a stealth check even though we’re in a business meeting. Our heart speeds up at the sight of three new ‘likes’ on our latest Facebook status. We can’t get through the first course of our dinner without Instagramming our plate.