It takes a lot to rattle me, but nothing could've prepared me for the day that Aiden Hennessy walked through my beloved gym doors, ownership papers in his big hands. I know a lot about my gorgeous new boss, a former fighter whose posters used to decorate my bedroom walls. I know he retired at the height of his fame to take care of his sick wife. I know he's now a single dad raising an adorable little girl. And I know that no matter...