how do you feel when you see someone walk or use their prosthetics for the first time ?

Question: how do you feel when you see someone walk or use their prosthetics for the first time ?
- Keywords:
  prosthetic
Asked by Ash@04 to Steve on 13 Nov 2017.
- Stephen Lang answered on 13 Nov 2017:
  
  If it is the type I was involved in, I feel really proud. When it is a particularly frail person, I also feel a little bit nervous. If it is a prosthesis made by a competitor, I am looking for faults . . . human nature!

Question: how do you feel when you see someone walk or use their prosthetics for the first time ?