You have to be on top of your own business affairs.

Being the only son, he was involved in his father's business affairs early on.

True, the office had nothing to do with his business affairs.

No, he told her, but his business affairs were looking better.

She took over his business affairs, and things began turning around.

She is happy to know nothing of her husband's business affairs until he goes missing.

The federal government took on an increasing role in business affairs.

They married and she soon began to handle his business affairs.

He then went to Scotland to sort out his business affairs.

He's taken a keen interest in running his own business affairs.