Answer:
arousal theory
Step-by-step explanation:
The arousal theory of motivation states that the fundamental reason behind the drive of people to perform actions is to ensure they maintain the maximum level of physiological arousal they get when they were involved in it. This maximum level may differ with individual. In the case of Aaron, the physiological arousal is the thrill and hence he does not care if the activities were risky, but want to get himself thrilled to the optimal level.