It basically translates to "Be at your best behavior!" or "Be ready at attention" depending on the scenario.
they might become dry and lifeless
explanation: Because if you postpone your dreams and you don't work to acheive them as soon as you think of them, then they will become lifeless, because you aren't making them a reality.
I would say the correct answer is - <span>But the doctor's four friends had taught no such lesson to themselves. They resolved forthwith to make a pilgrimage to Florida, and quaff at morning, noon, and night, from the Fountain of Youth.
As you already said, allegory is something that tells us a deeper and more important story than what may seem on the surface. So these four people don't just want to go on a pilgrimage and find the Fountain of Youth on a whim - there must be something important behind their decision.
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Answer:
upbeat
Explanation:
don't want to consern people