The treadmill. Aka "The dreadmill." Because nothing beats running in place and staring at walls while profusely sweating all alone or in a hot, packed gym. While they're convenient for certain training and when the weather outside isn't running-friendly, the list of pro's for treadmills stops right about there for most people. Here are 19 thoughts that you're probably not having while you're running on the treadmill.

1. "I love cardio."

2. "I could run on the treadmill for hours."

3. "Because I enjoy running and slipping all over pools of my own sweat."

4. "I'm totally not thinking about food right now."

5. "I feel so in shape and incredibly fit."

6. "In fact, I think I'll run on the highest speed setting. For the entire time."

7. "Why not just race the person next to me while I'm at it?"

8. "Because that's always a good idea."

9. "I feel like everyone in the gym is watching me, but I don't mind."

10. "Maybe I'll show off a little."

11. "Or a lot."

12. "Me? Extremely graceful on the treadmill and maintaining perfect form? You bet."

13. "I think I'll add some equipment to make the treadmill more challenging."

14. "Because the treadmill alone isn't difficult enough."

15. "The best part of using treadmills is getting to run in place and stare at walls."

16. "Who would rather run outside?"

17. "Not me."

18. "Yup. I could do this for hours."

19. "Where would we be without treadmills?"