Click Frenzy, one of the biggest online sales days on the Australian calendar, has come and gone for another year. The promise of crazy prices – a $10 55-inch 4K LG TV among them – had customers in a spin ready to thrown their wallets at their screens. The reality has been something a little more sobering. The deals have been hard to come by, Click Frenzy’s emails have been delivered late and customers have been fighting poor internet speeds and a terrible user interface on the Click Frenzy website.

Having a slow internet connection and being in slow traffic aren't that big of a deal in the grand scheme of things. Then how come it infuriates us almost instantly? Here's why we snap, and how we snap out of it, according to a neuroscientist.