He deals with anger by isolation?

Everytime my boyfriend feels angry or sad or depressed he isolates himself

He stops talking, he refuses to meet, he doesn't answer the whatsapps or phone calls

Why can't he just say whats wrong? why he shuts down and says he needs space and literally ignores me

Why deal with problems ignoring them hiding from them and isolating himself from the world?

He deals with anger by isolation?
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