According to pennebaker (1990), talking about our angry feelings and their sources can be physically and psychologically beneficial because

such self-disclosures often result in insights and increased self-awareness.

Explanation:

James W. Pennebaker is an American social psychologist born March 2, 1950 in Midland, Texas. Based on Pennebakers' research he states that  talking about our angry feelings and their sources can be physically and psychologically beneficial because such self-disclosures often result in insights and increased self-awareness.

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