If you don't ever stop singing, your voice stays in shape. It's like the marathon runner. You've got to run, run, run to stay in shape.
Then I heard this genius teacher Stella Adler - I recommend you read anything you might find about her and if you have anyone interested in theatre, you get them one of her books.
Astronauts have been stuck in low-Earth orbit, boldly going nowhere. American attempts to kick-start a new phase of lunar exploration have stalled amid the realisation that NASA's budget is too small for the job.