Answer: Choleric
Explanation: Choleric people are leaders and directors. They seek to be in control of situations, to be on top, to be the best. Choleric are described as independent, decisive, goal-oriented, and ambitious. These combined with their dominant, result-oriented outlook make them natural leaders.
Considering the trait Mary is exhibiting it is safe to say she is affiliated with Choleric. Individual affiliated with a pure choleric temperament is usually a goal-oriented person. Choleric individuals are firm and forceful in their approach to problems, They believe in 'tough love', and try to 'help' others by challenging them to prove themselves, as they themselves would.