Ian McDiarmid proved what a real trouper he is recently:

Ian McDiarmid, 64, began suffering from dizzy spells towards the end of the play but concealed his condition so well that the audience didn't notice and critics later gave him glowing reviews.

Backstage staff feared he was suffering a heart attack and called an ambulance ten minutes before the performance was due to end. It arrived seven minutes later.

Ian McDiarmid tells his ambulance to wait until he finishes play

It proves that the Emperor doesn't need any heart.

now that shows commitment. looks like palpy did discover the way to immortality through the force