That's like Berdych getting together with Safarova after his current model wife decides to not 'perform'.
How freaking humiliating is freaking that? How much of a door mat do you freaking have to be to even consider the possibility of a union - leave alone actually feeling delirious on getting together?
So you dump the one who has been with you from the very beginning and knows you inside out and replace him / her with some latest, shinny and famous model. And WHEN that model fails to perform you go back?
How can this not reflect poorly on BOTH Djokovic and Vajda Buffet?
How about if Berdych is dumped by his current wife (Becker) and remarries another model (Agassi) who fails to 'perform' too AND then he goes back?