Up to you, old darling- but here's what it did for me.
Because you are an old darling, and it is no use trying to pretend you're a cross patch.
He'd understand, the old darling, but she didn't want to bare her soul or anything like that.
The old darling is the intellectual equivalent of a Cruise missile.
Wouldn't you have done that in his place, old darling?
It was only then I realized that the old darling had actually briefed himself for my defence.
Oh we've tried that, but she's such a clever old darling.
"Professor Wright sounds like an old darling," said the girl.
"Come on, old darling, I'll race you to the other end of the pool."
He called me his old darling at one point.