Arwen moved her feet back and forth. The feeling was nice but... it just wasn't the same. She too had noticed the smell but it didn't bother her that much. Not any more.
"This is called a TARDIS" she said. "A man named The Doctor told me that it is a ship that travels through the heavens, between the stars and the worlds above, and through time" she smiled softly. "I know it must sound strange, it is indeed. But it is all very real, my dear Hobbit" she said, looking to make sure he was handling the news well enough.