12 hour days? How does public do it?

I work in the nonprofit sector and we're in the final stretch of approving our annual budget. Today was my last 12 hour day until next budget season. I only had to do this one other time this year. Last year I put in three 12 hour days.

Then I see all the public accountants talking about 12 and 16 hour days all week long during busy season and I just...how many pounds of illegal stimulants do you go through in a month? I couldn't do it.

I had a three pm coffee today and thought I might be developing a problem.