Tris wasn't one for public demonstrations of affection, but given that she'd nearly died believing she was never going to see Four again, and then brought into this strange place where factions once more ruled the system, she didn't hold back. As soon as she saw him, she was running to him too.
They collided on the lawn, her arms wrapping tight around him, her lips seeking his. She wasn't the most eloquent of people at any point in time, but in this moment, she didn't even have words to greet him with. Just her.