The truth hit him. Jason wasn't quite Roman anymore. His time at Camp Half-Blood had changed him. Reyna had recognized that. Apparently, so did the undead legionnaires. If Jason no longer gave off the right sort of vibe, or aura of a Roman leader.
If we have youth, beauty, blessed gifts, strength, if we find fame, fortune, favor, fulfillment, it is easy to be nice, to turn a warm heart to the world.