You could be like me. I think I have seasonal affective disorder, which just mean that when the weather gets cold and dreary i basically lose the will to take my next breath. No really, I lose all motivation to do anything this time of year. I guess you just have to fight through it.
But you're in Athens right? Some good motivation would be to go out to the Abbey in about two weeks and take a look at those honeys out there. That will give you everything you need to get back in the gym.