Beginning in adolescence, men are more likely than women to develop a ruminating, introspective style of cognition, rehearsing the reasons for their unhappiness.

Ruminating

The act of continuously thinking about the same thoughts, often negative, which can interfere with problem-solving and lead to emotional distress.

Introspective Style

A cognitive style characterized by the tendency to frequently examine and analyze one's own thoughts and feelings.

Cognition

Cognition refers to the mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.