[Cheng, not expecting the touch, reacts instinctively. His hand is over the other's and is halfway to a wrist lock before he recovers enough of his senses to relax.]

Didn't anyone tell you not to bother people like that? You could have gotten hurt.

[Still a little slurred, his speech is still comprehensive. He takes a moment to straighten up and rub his face a bit.]

What time is it?