"The only cause I need is because I choose to do it," Ye Baiyi tosses back. He's like a lion with a thorn in his paw today. "Who are you and what are you doing here in the Four Seasons Manor?"

Why had Zhou Zishu taken in so many strays? With so many here, he's more glad to have gotten a house elsewhere. Though that just reminds him of the metaphorical thorn.