It's very smart not to voice that, because Eames would probably just leave. At least this way he sticks around, angry as he is. He's not mollified by any of this though, especially not since he can see what this is doing for the other man, that he clearly finds this attractive. Not that it's a surprise.

"An impulse, is it?" He's not buying it, "an impulse makes you think you can possess me? Keep me all to yourself?"