What do you mean by staying up late in winter? When the weather is fine, lovesickness is better than night.

Expressed the treasure of time and the desire for a good time.

Through the metaphor of winter, it expresses the treasure of time and the desire for a good time. It conveys a positive attitude, that is, never give up any time, work hard or study hard to pursue your goals. The poetry and emotion in this sentence make it more expressive and appealing.