I can't guess what my ex-boyfriend sent me to America. Would you please answer it for me?

If you want to write down complete words, the explanation is as follows.

Fallen leaves are flying all over the sky, but they don't meet in this life, and they are everywhere. Looking back is to recall the past, and the leaves are everywhere, which is to recall the good memories of the past. With his going abroad, he is also flying, revealing the sadness of parting between the lines. Until we meet by destiny.