trait - a distinguishing feature of your personal nature

drama - the quality of being arresting or highly emotional

demonstrativeness - tending to express your feelings freely

affectionateness, lovingness, fondness, warmth - a quality proceeding from feelings of affection or love

sentimentality, drippiness, mawkishness - falsely emotional in a maudlin way

passion, warmth, heat - intense passion or emotion

temperament - excessive emotionalism or irritability and excitability (especially when displayed openly)

excitableness, excitability, volatility - being easily excited