Figure surnamed fu joke

Wei Zi asked Erkang, "Erkang, are you happy?"

Erkang: "Yes, my last name is Fu!"

Wei Zi asked again, "Are you satisfied?"

Erkang: "Well, I am Manchu."

Wei Zi said: "I only like domineering men."

Erkang: "What a coincidence, I am from the Eight Banners."

Wei Zi: "Do you still like Wei Zi?"

Erkang: "I used to like it, but now I quit."

.............

The last sentence is meaningful.