"Wasn't it, though?" More than a bit arrogant, but in this case, it's earned--Yotsuyu has worked hard to excel in the classes she's taken, even if this one is defeating her at the moment. "You are quite welcome, though!" It is nice to be noticed, even if it's just a classmate.

"Do you recall at all what you added? I would not be surprised if there was wormwood, considering the stench..." She bit her lip a moment. "I haven't the faintest idea about the rest, however. This...probably is not the time to experiment, in truth." Though she really can't blame him; she's been known to dabble herself from time to time. Save her results are usually better!