Xander was impressed that she wasn't looking at the book to see how much of the ingredients she needed. "You just got to make sure you're careful with this stuff." He picked up the mandrake root. "Especially this. You saw the punch it can have. Not only on yourself though." He handed her the two pieces that she needed.
"If you do ever use this one one of your..." Xander cocked his head to the side for a moment. "Would you call the people you make fall in love charges? Anyway, you could easily poison the person you give this potion to. So you need to pay extra attention to it." He plucked a stand of his own hair and waited for her to do her thing.