Answer:
Repression
Explanation:
Repression is a type of defense mechanism that is used in psychological testing. This defense mechanism is all about a certain thought, urges, feelings from out of conscious awareness. In this defense, a person keeps all the undesirable thoughts and desires out of the conscious level. It is used to minimize anxiety.
Thus here in the above statement, Darin used a repression defense mechanism that helps him to repress all undesirable thoughts, urges, and feelings related to an incident.