Because I've been socially and culturally conditioned to, and no matter how much I can rationally justify that what other people think doesn't matter (which isn't entirely true), that doesn't mean I can emotionally accept that without angst.
Put another way, it's not rational to ignore how you think you will respond to social pressure just because you think you shouldn't respond that way to the pressure. The human mind is not so simple as that.
Put another way, it's not rational to ignore how you think you will respond to social pressure just because you think you shouldn't respond that way to the pressure. The human mind is not so simple as that.