I hate to be the one to tell this to you but what your ex boss probably tried to tell you is that you are not the kind of guy who can be excellent at both. He d

I hate to be the one to tell this to you but what your ex boss probably tried to tell you is that you are not the kind of guy who can be excellent at both. He didn't meant that nobody could, if he has two cents of common sense. Whether he is right or not is for you, and time, to decide.