What does peach blossom robbery mean? If I fail, will it endanger my life? Ask for a detailed explanation, very worried, very worried.

A few years ago, a man told me that we were both doomed to die. No matter where I am, I will eventually run to him. No matter where he is, it has been almost 10 years since we started to finish, but it is still irreplaceable. I can miss him during the day, but I can dream back at midnight. He will always be the corner of my heart. I know this is a dream, but it's still the same. I don't know if Taohua died, but I'm sure I won't control myself to find him unless he dies or I die!