Use unchanging verses to describe love?

You are like a rock, and I am like pampas grass. The pampas grass is like silk, and the rock has no shifting.

Shangxie, I would like to know you, my life will never fade away, the mountains will have no edges, the rivers will run out, and the winter thunder will blow. I would like to know you, my life will never fade away, the mountains will have no edges, The rivers are exhausted, winter thunders are coming, summer rains and snows are coming, heaven and earth are united, I dare to be with you