Not only XKCD's anecdotal evidence confirms it's good to change. A straight coin toss experiment says so too: https://www.theatlantic.com/business/archive/2016

Not only XKCD's anecdotal evidence confirms it's good to change. A straight coin toss experiment says so too: https://www.theatlantic.com/business/archive/2016/08/quitting-your-job-and-other-life-choices/495122/ https://www.theatlantic.com/business/archive/2016/08/quittin... Also, personal, from a 28 year old: why would you work for 9 years straight on the same project? Sounds very boring.