Possible Clues:

• Become faster
• Become famished
• Half have come to light fast
• Eat nothing very key after rodents turn up
• What will happen to you if you don't get enough, of course
• Crash-diet
• Begin to be far away and not get enough of it
• Not get enough, of course (6)
• Suffer from deprivation
• This is what you'll do if you're not given enough