Because she was from the Midwest and gave off that 'oh em gee innocence' vibe, Pierce just went for iced tea as opposed to plowing her with alcohol. He didn't want her to think that he was trying to get her all sauced up to take advantage of her.
He handed over both glasses to the ones who came a-knockin' on his door. "It's just tea, hope it's a good surprise," he said, then motioned for them to come along. The hidden door to the balcony was in the master bedroom. "The view from up here is fantastic - there's nothing like it, really. You're settling in alright, I hope?"