For a body like Jonas Kaufmann's, the secret, it seems, is all in the diet.
Scottish shortbread, Gummi Bears and "a lot of salted water" are the tips he offers Bloomberg for surviving a night on stage.
Here's predicting he'll never have to pay for his own Gummi Bears ever again.
***UPDATE***
Thanks to reader Maggie for providing the link to this clip, where Jonas - ahem - TALKS to his Gummi Bear.......
