Almost weeping with joy, for the cast and the creative staff, thinking of how Lenny and Betty and Adolph would be "kvelling" and how even Mr. Robbins would be proud.
Mostly Jerry would be focused on Megan Fairchild. He was very fond of taking dancers and making them stars. And what valentines the AP and the Post give to her! I hope she knows that she is what would make him happy.
But since Lenny and Jerry and Betty and Adolph aren't here to express their joy, I guess Hal Prince's note to the cast will have to suffice: