Suddenly, someone fell in love with me. Looking back, the mountains and rivers have entered winter. What is the whole poem?

The whole poem is as follows:

Suddenly someone loved me. Looking back, the mountains and rivers have entered the winter.

If he gets wet by snow, his life will be white-haired.

If the bald head could be changed into snow, there would be no sad people in the world.

At this time, if there is a gentleman on your side, why do you want to be a white head in the snow?

A poem to the following effect:

This poem tells the story of the author's old friend appearing in his heart. Looking back, the mountains and rivers have entered winter. The author hopes to spend this winter with an old friend, just like watering the snow together. But the author also knows that bald heads can be replaced by snow, but many people in the world will be sad. So the author hopes that someone can accompany him, so that he doesn't have to worry about hoary head.

Generally speaking, this poem expresses the author's yearning for his old friend, and also expresses the romantic mood that the author hopes someone can accompany him for the winter.