Just for fun...and from personal experience.
The top 10 Martial Arts Signs of Getting Older
1. I consider Ibuprofen training equipment.
2. When I hear the words "modify"...I listen closely. :)
3. When you have uniforms older than some students.
4. Conversations with "Remember when..."
5. I know what Glucosamine is.
6. I would rather use a bo made of ash than red oak.
7. My favorite kata are the ones without jumps.
8. Kneeling in seiza on a reconstructed ACL for more than 5 minutes can be painful.
9. Karate "kids" sending you wedding invitations.
10. When R.I.C.E. has nothing to do with food.
Join in...please add to the list.