The five personality characteristics are extraversion, openness, agreeableness, conscientiousness, and emotional stability (or neuroticism).
en.wikipedia.org Through his research he found that around the age of 30, neuroticism and extroversion begin to decline, while agreeableness and conscientiousness increase with age.
en.wikipedia.org Sometimes immediate agreeableness is most important, whether to others (e.g. wit, eloquence, charisma, even cleanliness) or the person himself (e.g. cheerfulness).
en.wikipedia.org Specifically, neuroticism predicts poorer subjective well-being whilst extraversion, agreeableness, conscientiousness and openness to experience tend to predict higher subjective well-being.
en.wikipedia.org As such, one who demonstrates the personality trait of agreeableness is prone to forgiveness as well as has a general disposition of forgivingness.
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