Just sharing my experience. I am playing a Teen Sim with the friend of the world aspiration. I admit I cheated and gave him the incredibly friendly reward trait. He made many friends in high school a...
I just answer all the asks of being BFF's and invites to proms YES. It's interesting to see what happens. Nothing bad has happened yet, no one's been upset about anything (I'm sure there will be few of those at some point later), but it seems odd that there is no neutral ways to answer those asks, you either say yes or be rude and answer "no way".