Smoking on the trail...

One thing that has surprised me on the trail is just how many hikers smoke. One of the hikers I've met is 70 years old and he smokes like a smokestack. He thru-hiked the A.T. 10 years ago and is thru-hiking again. And yet, despite having a cigarette in his maw every time I see him, he still outhikes me mile for mile.

I just don't get it...