She followed whatever orders were given without thinking about them, and she was able to think on her feet at times.
He liked those who weighed their options first rather than those who jumped right in without thinking about the potential dangers and risks involved since those who thought about such things were usually the ones that would survive better.
Such hesitation shown by Ash also showed him that she was not in it for pleasure or similar reasons, so it showed a certain level of professionalism.
It was usually much better to have those who followed what was asked of them in a professional manner rather than those who were seeking more from each job they did things that they were not asked to do.
There were always loose cannons within any organization which were difficult to control and did as they liked during their missions which would result in problems being created due to their impulsive actions and lack of ability to follow the orders.
