heart's content

We found it out and let them think so to their hearts content.

He had found this a difficult task at first, but at length he had succeeded to his hearts content with both points.

With Byron he has succeeded to his hearts content; and in respect to the Hunts he is positively light-hearted.

You shall have war to your hearts content in less than one hour (pointing to his victorious fleet).

The constable, having regaled himself to his hearts content, was indeed in view, and shortly came up with them.