This line of this Sheryl Crow sums you up perfectly. C'mon, c'mon, break my heart again, for old time's sake!

Although Kim did get pretty unlucky in the tie-breaker. She was down 3-5, then hit a backhand winner (Hawkeye confirmed this), but it was called out. One can only wonder what would have happened had it been 4-5 as opposed to 3-6.