Because I am not me, you are destined to leave me. The Buddha said that nirvana can be reborn. If there is an afterlife, please don't remember the past, so that I will no longer overlap with her in your eyes. Perhaps, by then, we can depend on each other...
There are things called destiny, and the word fate turns to dust. You and I are destined to forget each other in the world, just as a dream and a disaster, and we drift away...