"I won't come back. I just needed to see you this once."

Because he wasn't sure if he'd get a chance again. Looking at Sirius, he swiftly got to his feet and then held out his hand. "My wand, please." He would keep what he knew to himself and just deal with the consequences. Hopefully Barty wasn't going to be too pissed off at him. "I won't be coming back." It seemed too difficult.