If you know it's impossible, why do you risk everything? Probably because of unwillingness. Two obsessions that have been lingering for 2000 years returned to their previous lives because they were unwilling to give up. In the end, it was all in vain. "I just want to have a great spring and autumn dream about you. I don't care about the past or the afterlife. There is only the stability of this life when we are together."