I do about 30h of "work days" and easily more than 10h of off-hours, took me a few changes of venue to remove the requirement to be at my desk 8-9 hours a day,

I do about 30h of "work days" and easily more than 10h of off-hours, took me a few changes of venue to remove the requirement to be at my desk 8-9 hours a day, and I am more productive and happier.