What's the easiest way to stay warm in the super cold？【小题1】. At least that's what Santa Claus told me.

Over Christmas, Dennis and I went to Finland. We brought back some tips for keeping warm in a cold temperature.

Three layers（层）work wonders.

Start with the base layer, which sits right on your skin: choose something absorbent（有吸收力的）.【小题2】.

A sweater is a good choice. The most important layer is the outer clothes, which should be waterproof（防水的）and windproof.

【小题3】.

You lose heat from every millimeter of uncovered skin, which was the biggest lesson I learned on the trip. My whole body was well covered. But I missed one spot: my face. So it often felt like the wind was going to blow my nose off.

Exercise and don't just stand still.

When it's cold, exercising may be the last thing you feel like doing, but be smart.【小题4】. When we first got to Finland, we were freezing. But after a couple of minutes jumping around, we felt less cold.

Have a heater.

You may want to turn it on all the way up, but it's best to keep it between 18 and 20 degrees.【小题5】. Remember not to create a huge difference between inside and outside.

   Society tells us that we should count our blessings, focus on all that we have and feel grateful for what we’ve been given. But there is nothing wrong with “healthy discontent”. In fact, healthy discontent is what motivates us to improve ourselves and our circumstances. Without this feeling, life’s easier to stand still.

I always have a certain level of discomfort. That discomfort drives me to work hard at my job. I don’t just want to remain where I am. Professionally, I want to keep getting better. Likewise, I always have a certain amount of discontent with my home. That drives me to always try to improve it by making it look better.

My feelings of discontent with my job and my home don’t mean that I don’t appreciate them. It’s an incredible blessing to be able to work and be paid for one’s efforts. Similarly, if you live in a safe place, with running water, heating, and air conditioning, you are incredibly fortunate. These are not the things to be taken for granted. However, we should be striving (力争) to improve.

If you happen to be good at playing the piano, you should work to continually improve your skills. The same holds true for our personal development. If you have areas in your personality that need improvement, you should work on them, too.

For instance, I can be very impatient. As a result, I work hard to try to conquer that flaw (缺点) by keeping my impatience to myself. When we feel discontent with ourselves, we have to be honest with ourselves.

It’s easy to make excuses for our bad behavior, but we need to face our discontent and say to ourselves, “I need to work on this.” This week, consider whether you have healthy discontent in your life. Have you become so settled in your life that you don’t see regular improvement?

Do you have a character flaw that you wish you didn’t have? Don’t ignore these things. Instead, take steps to address your areas of discontent and keep improving your life every day. No matter how great we think things are going, there’s always room for improvement.

   Before I studied psychology, I used to think that people would laugh when funny things occurred. While I was right about that, I discovered there are lots of other psychological factors that make people laugh other than the funny part of a joke. When someone laughs at a joke, there will usually be more than one reason that makes him laugh—and the more reasons there are, the more powerful the joke will be.

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As the saying goes, time is money. And in my opinion, time is even precious than money. Why? Because when money is spent, we still have a chance to earn them back. But when time is wasting, we can never get it back. There is no doubt whether time is very limited, and even a minute is of great value. We should make fully use of time to do what should be done. It’s the pity that a lot of people still didn’t appreciate the value of time. They are wasting their time doing nothing of useful. We should form the good habit of race against time and make a difference in our world.