[Her reply is light and airy, but the weight is there when she says in a matter of fact tone:]

Then you didn't have to come in did you? And if she wanted you to come back, she can't make you.

[Is the door there because people want it to be? More often than not, it graces its presence for those who are already inclined towards abnormality and yet there are exceptions.]

What's the problem? You come inside and you get some of the best coffee this side of the multiverse. I'd say it's a win in this case, not charity.