A Dauntless Life With Caleb?

Caleb Prior watched as his sister dropped her blood into the Dauntless bowl, and he decided where she goes, he will go. This is the story if both Caleb and Tris chose dauntless, how will Caleb handle the changes Tris faces? How will Tris handle an over protective brother? (BETA-ing in progress. I'm sorry for terrible writing in earlier chapters)