bat, rearmouse

taking to bad habits

lose temper

amorous, having the disposition of a lover, amorous, ladies' man, Don Juan, squire of dames

bad-tempered

the one who does for enjoyment, luxurious, cheerful, fun-loving, luxurious, flirty

barbarian, savage by nature

knowing (or one who knows) the temperament or constitution

affable, decent, courteous, well-behaved

lunatic, frenzied, obsessed

firm, constant, consistent, of settled temper or mind, resolute, determined, persevering

i am fine, the word which is said at the time of meeting someone

fickle, capricious

how do you do? an expression used to inquire someone's health

choleric temperament, ill-temper, bitterness

fickle-minded, the one whose mood changes from time to time

habitually suspicious, sceptical

carefree, careless, not in one's senses

cheerful nature, temperament