what is the expression for 「to each their own」in japanese

「to each their own」に近い表現としては、「人それぞれ」「十人十色」などがあります。 「ロリータファッション（lolita fashion）が好きなの？　まあ、服の好みは人それぞれだよね。」 「へえ、君はそう考えるんだ。十人十色だね。」 However, "人それぞれ" is not a very positive expression. It is often used when you do not agree with the other person's opinion, but are reluctant to outrightly deny it. On the other hand, "十人十色" is used to express a positive view of the diversity of things.
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