Confidence, knowing for certain that the person making the call has your safety foremost in their mind. And knowing that the job you are about to take on is the right thing to do, that it makes sense.
My grandmother started walking five miles a day when she was sixty. She's ninety-seven now, and we don't know where the hell she is.
For people who have... had curve balls thrown at them, it is easier to digest change and digest change in other people. Change only scares the small-minded. The small-minded and me.