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general::
Phrase(s): (It) (really) doesn’t matter to me.
I do not care. • Andrew: What shall I do? What shall I do? Alice: Do whatever you like. Jump off a bridge. Go live in the jungle. It really doesn’t matter to me. • Tom: I’m leaving you. Mary and I have decided that we’re in love. Sue: So, go ahead. It doesn’t matter to me. I don’t care what you do.
McGrawhill's American Idioms And Phrasal Verbs