4-5 hours of quality thinking time sounds about the right limit to me. if anything, it's impressive. I can churn out 10 hour days but about 7 hours will be most

4-5 hours of quality thinking time sounds about the right limit to me. if anything, it's impressive. I can churn out 10 hour days but about 7 hours will be mostly "operational" stuff i don't need to think deeply about.