[ If she needs an explanation, then by all means, he will do his best to offer her one. He's not usually the best at ending relationships, but it's not like they even had a relationship to begin with. Not a romantic one, anyway. And they do need to be able to work together, so he doesn't want there to be any residual grudges on her end. ]

Or a dinner and a dance. But yes, that sort of thing. A romantic date. Or dates, usually, when two people get along and like each other. A relationship, if you will.

[ He knows that's not what she does, but that's exactly his point. And it's exactly why he ended things as abruptly as he did. ]