Yeah, he's clearly still doing it. But you're going to have a hard time finding a guy who doesn't do it. You can find plenty who will keep it hidden from you and lie about it when caught, though.

It affects how people she knows see her. Your parents, for example, will always have the issues you discussed with them in their head when they interact with her, and she knows they do, and they know that she knows.

There won't be refugees, at least not in massive numbers. Other countries won't accept them when the consequence is social collapse. They will simply die: drowned, cooked to death by extreme heat, or starved.

The developed world will continue mostly as normal.