We've found 3 phrases for titled (0.116 seconds):

each to his own »    Everyone is entitled to their own opinion or tastes.My housemate is a strict vegan. I personally could never not eat meat, but each to his own.

none of someone's business »    A matter that someone is not entitled to be involved in or informed about.

to each his own »    Every person is entitled to his or her personal preferences and tastes.

New:  We also know Zip Codes FYI!