(idiomatic) to feel inferior, to feel small

(idiomatic) to serve as the other party to someone who needs advice; to give advice; to provide consultation

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

psychology (a study of mind)

Kyūjitai form of 心理学: psychology

(criminology, psychology) criminal psychology, that is the criminal mind itself, not the study of it

psychological warfare