What is the most curious coincidence that has ever happened to you?

I'm not the one to believe in coincidence.
In fact, I go with the sagely saying "Nothing is a coincidence"(Kung Fu Panda movie quote:o)
But then some things happen to make me believe in coincidence and I had to rethink my stand on it. We meet people and we go through different and varying experiences. But some things happen as if they were planned out to be. How is that possible?
Is it because of my thoughts? or is there actually a "thing" called Coincidence?
Do you believe in coincidence?
What makes you believe that?