"That doesn't make me happy." As was obvious from the look of his face to the sound of his voice. Sirius dropped the stupid sponge he was still holding on to and then he was suddenly right in front of Severus, staring at him, clutching his arm. "If you don't hate me, then why do you act like you do? If you care for me, then why don't you show it?"

No, he didn't know what he was looking for here, even as he was pretty much shaking Severus.