1. Look at the bottoms and sides of your shoes.

2. Are they worn the same on both sides?

Not wearing evenly? Here's Why:

Like your body, shoe bottoms wear to adapt to the stress of walking unevenly.  When the leather on the bottom of your shoes wears out unevenly you can buy new shoes. Where are you going to live when you wear out your body?

Changes In Posture & Changes In Motion Cause Your Body (and your shoes) To Change

(Adaptation-  The 5th Posture Principle)