10. You can show off and publish a top 10 list with a map of a 10 mile run
9. Fresh Air is best disinfectant
8. You word drop Marathon in a gathering, all heads instantly turn to you
7. Many members of the opposite sex are also running
6. You will have an edge against street dogs in India
5. You have had it with purse and chain snatchers
4. It’s super cheap
3. Humans have been running since we existed on this planet. Yay us!
2. You can run in any season if you are sufficiently crazy
1. Never miss a bus or train or plane (my recurring nightmare, so #1)
YMMV (Your Mileage May Vary) on the order of this list.