[...why isn't Tadashi mad? Wasn't Hiro just technically lying to him, too? And it's funny because he knows Tadashi's not mad. He recognizes his "genuine happy" versus "I'm putting on a front and will draw on your face in sharpie while you're sleeping because I'm pissed" moods. He's still sort of hunched down even while he's looking at him.]

....I tried to make her pancakes and set the kitchen on fire and it sorta just came out after that. [A beat.] She helped me pick out your new pillow.

[He'd tried to tell Tadashi about it on that day about three weeks ago, but Tadashi was too pissed about the pillow.]