For Luo Yan, because he has always been worried about losing it, he would rather not have it. The warmth Yu Dan once gave him was enough to support him throughout his life.
For Yu Dan, he understood all Luo Yan's concerns, and he wanted to tell Luo Yan, don't worry, I will never leave. But he understands that no words can be more practical than companionship. It's okay, I can wait, don't be afraid, I'm always here.