When you say the age of someone or something, you can say subject + is + # years old: I'm thirty years old. That boy is fourteen years old. These houses are 200 years old.
When you want to say the age before the subject, then use #-year-old: My twenty-year-old sister A fourteen-year-old boy The 200-year-old houses
Individual traits that influence marital satisfaction or dissatisfaction include a persons personality, attitudes, and skills , Larson identifies difficulty coping with stress, dysfunctional beliefs , excessive impulsiveness , extreme self-consciousness, excessive anger and hostility, untreated depression, and chronic irritability as the major liabilities toward the achievement of marital satisfaction.Conversely, Larson identifies extroversion , flexibility, good self-esteem, assertiveness, commitment, and an ability to love as the major assets toward the achievement of marital satisfaction.