Hm.

[A feeling, huh... He's torn both ways on that, his trust in Helena's logic and intuition pushing up against his suspicion. He hands the bottle back at her reach.]

If we're careful. So just a small amount then... [Should he offer to test it first? Would it even affect him, if it's so clearly linked to her? Wait, that's stupid.] Ah, wait, hang on...

[Sound of shuffling as he gets up and retrieves his smartphone from it's charger, and then him sitting back down with a thump and setting it on the kotatsu, getting to the list of contacts and opening up the only one currently there; Rantaro's. There's no way Shin'd be able to carry her to the nurse if something went wrong, after all, so it's good to have something in reserve.]

There. Help's a button press away... J-just in case.