heart's content, to one's

to one's heart's content

To one's complete satisfaction, without limitation, as in I've been eating strawberries to my heart's content, or The youngsters played in the sand to their hearts' content. Shakespeare used this expression in a number of his plays. [Late 1500s]
See also: content
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heart's content, to one's

To one’s complete satisfaction. Shakespeare was particularly fond of this expression, using it in several plays (Henry VI, Part 2; The Merchant of Venice).
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
See also: