Others think they're doing their patients a big favor by switching.

"But the agency would like you to do us a big favor."

And I'd have to ask a big favor of a friend.

"I want you to do me a great big favor."

He was always asking you to do him a big favor.

I pulled in a big favor to keep you here, safe and sound.

They did me a bigger favor than I could ever have known.

Jack said, as if he were doing Ted a big fat favor.

The biggest favor he could do her was to get it over and done.

In fact, every single conservative should do himself/herself a big favor and leave California.