The coaching business is a highly stressful one, no doubt about it. Don't believe me? Well consider this.
The following photo of Houston Nutt was taken circa 2003, as Nutt and his Razorbacks were in the midst of a 9-4 season that was ultimately punctuated with a win over Missouri in the Independence Bowl:
Now, let's fast-forward four years later.
Also, aside from four years of time, factor in two losing seasons, a late-season collapse, the Springdale melodrama, FOI Act filings, and only God knows what else, and here you have Houston Nutt as he appears today:
Update [2007-9-17 19:8:10 by Todd]:
Apparently, it will also do this to you: