[The only answer he's given there is a quiet snort, because it's not Heero's fault if the old man can't pick up on sarcasm. Then again, most people seem to be unable to tell when he's joking. Harley excluded, for some weird reason.

If anything it's almost too easy. No real challenge to really get his blood going. Not that he does perfectly, but it's enough.]

You can if you want. It doesn't really matter.

[And here we have yet another example of how very helpful Heero is. Which is not very.]