(of a person) sad; depressed; (of eyes) looking downwards (especially with sadness, shame etc)

depressed, unhappy

(the act of) examining one's won feelings and thoughts for a long time

self-analysis

easily annoyed or made angry

bad-tempered, crabby

having, showing, an interest in horrible, unhealthy or depressing thing

gloomy, nasty, sickly

(of a person) far too sensitive

bad-tempered, crabby

serious and sincere; done formally and with ceremony; serious and not smiling

quiet, serious

(in the habit of) saying very little

uncommunicative

not willing to be with others

unfriendly