Doctor | Ianto
Just take responsibility for your actions, Sir, and don't try to play it off as if you were helplessly swept up in emotion. You don't kiss people often. I don't think it's something you do lightly.
She's a companion. Don't you understand the repercussions of choosing one companion over another?
It's going to take something more than that. But I'd advise giving her some space for awhile. Or else I might slap you.