You came out to a cafe in a relatively busy sector, and didn't think you'd run into anyone.
[Flatly; there's just so many things wrong with all of this. Letting that settle for a moment, she stirs some milk into her tea before continuing, much more gently now]
I get that you probably feel terrible about what you did-- and being near people makes that worse, like you don't have a right to be-- but holing yourself up isn't actually going to benefit anyone. Not even yourself, as much as your guilt would like you to think so.