What does it mean to watch the snow and the moon together from poetry to philosophy of life?

This sentence is from Princess Zhu Huan, a line of Wei Zi and Er Kang, a classic love story.

The original line is as follows:

Wei Zi: "Look at the snow, the stars and the moon together, and talk about the philosophy of life from poems and songs. I didn't even watch the snow, the stars and the moon with you, and talked about the philosophy of life from poetry and songs. "

Erkang: "It's all my fault. My mistake. I promise you, I will only watch the snow, the stars and the moon with you in the future, and talk about the philosophy of life from poems and songs. "

Extended data:

Classic lines of Princess Zhu Huan.

1, your emotions dominate my life.

2. The life and wealth exchanged with Lagerstroemia indica are too small for me!

3. Erkang, you can't hate me. You can't hate me because I love you very much.

4. How can a broken me help a broken you?