She may not have even known that you were walking on the same path.
You may be reading too much into what she did.
Perhaps she was having a difficult time adjusting her dog’s collar for a genuine reason.
Her behavior doesn’t really indicate that she was showing signs of disinterest.
Again, she may not have even known that you were walking on the same path.
In essence, she may have been totally oblivious to your presence.
This may have been why she did not look you in the eye.
Though she may naturally be a shy and nervous person around people that she isn’t familiar or friendly with, in this particular occasion, she probably just didn’t see you.
You may be reading too much into what happened.