to your heart's content
US /tə jʊər hɑrts kənˈtɛnt/
UK /tə jʊər hɑrts kənˈtɛnt/

1.
a tuo piacimento, a volontà
as much as you want or until you are completely satisfied
:
•
You can eat ice cream to your heart's content.
Puoi mangiare il gelato a tuo piacimento.
•
She spent the day reading to her heart's content.
Ha passato la giornata a leggere a suo piacimento.