How to answer the next sentence "Goodbye is just a stranger"

I wish life could only be like the first time we met. Goodbye is just a stranger. The next sentence can be continued. I hope if life is just like the first meeting, the following sentence can play a progressive role. This sentence means that two people will treat each other as strangers when they meet again after separation, but life How wonderful it would be if we could all get along like we did when we first met. When you follow the next sentence, you must first understand the content of the first half of the sentence, and the second half of the sentence should directly point out the topic and highlight the key points.