personal business
personal matters
affairs , ***

She would have found out what the personal business was.

But today's news reports said the general had gone on personal business.

"I'm not going to stand here while you air our personal business in public."

The statement did not say what the personal business was.

"I didn't want to know anything about his personal business."

James made it his personal business to know everyone else's.

You know Martin doesn't want to get involved in the family's personal business.

The crew was given leave to take care of their families and other personal business.

If I start asking about his personal business, nobody's going to say a word.

We put our names above the door because it's a very personal business.