[Rather than question it, he's quick to catch on exactly why it's not a quick and easy peck and get out, because of course - it wouldn't be, would it? In the spirit of hopefully not having to double the efforts, he puts forth his part too - responding as best he can in the brief moment that the kisses passes, light, awkward but deliberate.]
... Well. [He doesn't look up at the plant, doesn't yet even move right away, but at least he hopes to mask himself feeling so out of his element by "addressing" their captor instead of letting silence linger.]