"I've learned about a charming tradition that exists for the people of the future," he said, playing with a piece of Cassandra's hair. "Heard some people discussing it in the market the other day. The ones who use all the words I don't understand."

"The tradition, as I understand it, is called a DTR. Define the Relationship. It happens when two people have become close but they don't exactly understand what they mean to each other."

He gave a lazy smile. "Seems about time, doesn't it?"