Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-86.143.249.105-20130822214136/@comment-15314533-20130822231320

I really have to agree that Derek was being a hero...he was allowing Jennifer to beat on him and he endured while the eclipse time ran out. That is why we saw the flashback with him holding Boyd and "Cora" (sorry guys, it was Cora not Erica) back until the sun came up. He told Scott at the time he was the only one to go into the boiler room. He endured.

That is why he told Jennifer when the eclipse was over, "Your time is up." If she was controlling him, she wouldn't have seemed so surprised.

That is my opinion, anyway.