Spoilers

Baron asks the pharmacist for all the bottes of Pleonexia that he has in stock, like it doesn't hurt him one bit that big amount of money.

You, on the other hand, just wanted to get at least one bottle before you ran out, so you tap his shoulder to talk to him.

"Uh? Oh, you want one? For your family?"

Baron thinks for a bit, but then smiles and hands you four bottles.

"It's on me, don't need to pay."