The only reason some people get lost in thought is because it's unfamiliar territory.
She looked up from closing it to find Jace watching her through hooded eyes. “And one last thing,†he said. He reached over and pulled the sparking pins out of her hair, so that it fell in warm heavy curls down her neck. The sensation of hair tickling her bare skin was unfamiliar and oddly pleasant. “Much better,†he said, and she thought this time that maybe his voice was uneven too.
Nothing is so awesomely unfamiliar as the familiar that discloses itself at the end of a journey.