What you shouldn't do is stay in one job and think about how different your life would be if you took another.

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"It's a sombering thing to think about life, and to see all your memories just tossed about, " Merritt said.

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"If you think about stuff in your life and you start thinking about it again, and again, and again, and you kind of spiral away in this continuous rumination about what's happening to you and to the world -- people who do that are at risk for depression, " he said.

CNN: Experts ponder link between creativity, mood disorders

Caste your mind ahead ten years from now and think about the life you want to be living then.

FORBES: Why Getting Comfortable With Discomfort Is Crucial To Success

But animals have real moral standing, and they're a real responsibility once you've let one into your life, and you can't so casually think about killing a dog.

NPR: The Ethicist: Weighing a Canine Conundrum

Think about getting back to basics and reconnecting with what is really important and meaningful in your life.

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And think about the choices your parents and grandparents made that had such a big impact on your life and on the life of our nation.

CNN: Analysis: Clinton speech was 'generous,' 'authentic'

"After a while you get used to not having it, and it becomes such a minimal thing in your life that you don't think about going back to it that much, " Daniel said.

WSJ: Kids and Computer Games: Keeping the Right Balance

To all the people watching, I can never thank you enough for your kindness to me and I'll think about it for the rest of my life.

CNN: Conan O'Brien quips about next career move: nudity

When you think about these life changes, are your thoughts filled with vacation homes, new cars, and travel plans?

FORBES: Know Thyself