[ During Horikawa's whole realization on where to use the card, Yamato has already turned the bowl up in order to swallow down the rest of the ice cream. His tongue licks away what's left on the edge of his mouth and a satisfied exhale showing that he's ate it all. Whenever the mer turns back to Yamato, he'll see that the male is already handing back the bowl during his voicing of if he wanted to finish the ice cream. ]

I already did.

[ There's a smile on his features as he starts making his way towards the door, his tails dragging against the ground and a hand raises to point at where Horikawa can swipe. ] Do you have your card on you? I seem to have left mine at home. [ It is shiny so he couldn't help but sit it nicely in his nest. ] I wonder.. [ Staring at the bowl, is it one of those bowls that can be eaten? He is contemplating it, he is still kind of hungry but he turns his head to make sure that Horikawa is walking towards the door. ]

Finally we can learn of those things in here.