Answer:
under controlled
Explanation:
There are many characterizations by which individuals are classified. These are on the basics of emotional stability, self-confidence, self-esteem and positive orientation.
Overcontrolled temperament includes individuals which are brittle, tense and introvert.
Undercontrolled temperament includes individuals which are negative, disagreeable, aggressive and lack self‐control.
Thus, Ben can be best described as having an under controlled temperament.