Lucy was aware that she could be a bit forceful, which could be off-putting at times, but it had served her well so far in life, so she saw no reason to tamp it down now, even if Maria did look a bit... unsure. "Thanks!" she said cheerfully, ignoring the brief hesitation as though it hadn't happened at all and sitting in the spare chair, setting her drink down in front of her.
"Well, I appreciate it all the same," she replied, not about to push spending money when she didn't have to.
"We don't have to interact if you'd rather stay immersed in your book," Lucy offered, nodding her chin toward the book on... alchemy? Fascinating!