[Koby makes huffy, annoyed sounds until the shirt is off, unbuttoned properly. His hair's all fluffed up now, and his glasses are askew, and he leans forward, resting his forehead on Luffy's shoulder for a moment.]

Sorry. I'm -- overthinking things. I'm bad at that, apparently. Thinking instead of doing. [He inhales, exhales, one strap of his sleeveless undershirt sliding off his shoulder.] I don't want to mess anything up. This is -- important.

You're important.