Best kiss is up for debate considering the whole married thing... and Mickey kisses quite well. But she's not thinking about Mickey right now. There's a part of her that feels that perhaps they shouldn't be doing anything like this considering they've only talked twice now --three times if you counted the dream. She didn't count the dream. But something about that dream and its aftermath made Martha feel far closer to him than she normally would at this stage in their acquaintance. Add that to whatever it was that told her to follow her desires and damn the consequences today and this was the result. She didn't mind.
When he did pull away, she looked up at him, eyes wide and sparkling. The best she could manage was "Wow." Not all that eloquent.