[ Susato does take another sip, and by the looks of it, she does notice a subtle change in flavor. For now though, she thinks she's just imagining it. She leans forward slightly, closer to Tifa. ]

Hehe. Well, I have seen them at work. It appears they are used up somehow. When the magic activates... they burn, until there are no more. So now I keep a large jar of them in my room, just in case.

[ No one's ever really overtly asked for a refill, though. She refilled Kazuma's, once.

...Anyway. ]

Come to think of it, that would be... [ a good wedding gift? she thinks, but she stops herself short of saying it. ] Hm. What kind of bottle shape would you like best, Tifa? If I were to make you one...

Hypothetically...