They were so alike; so much the same person. Both were fiercely loyal, strong, opinionated and intelligent. However, they were both so god damned stubborn; that's where their problems started. She still didn't know how they became "them". They weren't supposed to!
They were supposed to stay on separate sides of the classroom, sit at different tables at lunch. He was such an egotistical bastard.
But, that may be why he loved her so much. They were so alike.