And the other way round is true too. Being so low in his professional life can't but have effects on him, outside tennis. That's a vicious circle. Hope he finds a way to sort all this out. He must be suffering hard from it.
Well if you are not being successful at work for whatever reasons, then it's natural that it can impact on the people around you in a negative manner.
One thing I did notice was that for whatever reason Pantera wasn't with him in Australia.