I've read a blog of a solo game developer recently, who's been developing a game for 2-3 for years full time. His conclusions regarding breaks and burn-out is t

I've read a blog of a solo game developer recently, who's been developing a game for 2-3 for years full time. His conclusions regarding breaks and burn-out is that it works best for him to take a week-long vacation every 2-3 months. Without it, he noticed decreased concentration and motivation. I think it may be solid advice for anyone doing challenging work.