Who Else Should I Save the World, My Uncle or You?

[System + passion + multiple heroines + ease] In his later years, his wife divorced him, and he died of a sudden illness. I thought that this was the end of my life as a soft-boiled man, but I sat up in shock. The system said that I can't die. What's wrong? What benefit can you give me? System: Your retirement has been postponed. Why don't you, a capable person like you, get up and work to save the world? You still have ten thousand years to enjoy the world of mortals! Oh my God, if you didn't show up when I was young and strong, I would have been so pissed off, why don't you give me this! The system beeped, and I knew that my spring was coming!