[Oh, he knows why, so he doesn't think too hard about that. It doesn't stop him from opening his mouth though, just enough to steal a bite of Tsuyukusa's bottom lip. Not too hard -- but he does it, as a show of confidence once he's relaxed. His wrists are still in the tree spirit's grip, and he knows he couldn't get them loose if he wanted to, so long as Tsuyu doesn't decide to let go, so he doesn't bother to try.]
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