Agree. I have ~30h work week and free working hours and i am aiming to do ~4 hours/day, 7 days a week. I cannot imagine how people in mentally demanding jobs li

Agree. I have ~30h work week and free working hours and i am aiming to do ~4 hours/day, 7 days a week. I cannot imagine how people in mentally demanding jobs like software development can keep focus on 8-hour shifts.