In that moment of silence Joan realizes what she said, and realizes the same thing Ted does. He's home for her. She's most comfortable with him, happiest with him, belongs with him. They belong together.

It's a bittersweet realization. She's reminded of how much they love each other, but also reminded of how hard it is to be apart. She puts a hand to her heart, feeling those emotions keenly.

The question is a good one. "It would be an incredible coincidence if it wasn't, considering it's her known M.O. and we were investigating her at the time. Coincidences happen, but considering how dangerous she can be, I think it's wise to assume it was her until we can prove it wasn't. And the absence of evidence isn't the evidence of absence."