Toushirou wonders, if Blaise realizes that he gives off that leave me alone feeling, that he might actually want to be left alone. Evidently, it isn't occurring to the guy. And that feeling of wanting to be left alone just gets stronger at all the casual commentary on his height.

He isn't sure whether the fact that Blaise obviously doesn't mean to insult him is better or not.

"Since going away seems to be tough for you, let me do it, instead."

If Blaise blinks, he might miss it. Because one second, Toushirou is still in front of him, and the next he's not. But if Blaise can get his bearings quickly enough, he might spot him suddenly about forty feet ahead.