In know, not exactly the place for this discussion, but while we are on the topic, here's my two cents. Yes, you gave us a nice finish there for Tony, but as a reader I would love to see how Tony deals with a mundane classroom full of students while balancing his duties at the gym, and I'd love for him to get in a few more paydays in the ring. Medical school ain't cheap!
As for Cin, I think she is a cool character who lets you use the threat of her going full-out Hannibal Lecter on people to get them thinking the right way. She is an enforcer for the IPB that Brian could never be.