Having experience is good, but according to that, you need to be prepared with this kind of questions coming to you in an interview session. This is one of the tempting question interviewers through to the candidate.
You can answer this kind of question in a very simple way like, "I am very patient, persistent, practical and always a positive. This helps me cope up with changes smartly. Also, I try to stay focused on what I am and what I need. This helps me respond to change efficiently".