Why you need to take some time off

Let's be honest, we can't be productive all the time. Our body and mind can't sustain intense amounts of effort for long periods of time. 

And yet, there is always that guilty feeling that when we aren't doing something productive, then somehow we are not maximizing our potential. 

The truth is that we all need to get more comfortable with "slack time" - that period of un-productive time that helps recharge our energy.