What if someone deliberately calls me ugly?

You ask him: Do you think you are beautiful?

If he answers badly, his purpose will be achieved.

If he answers beautifully, you say he is narcissistic.

If his answer is average or ok, you say he has no self-knowledge.

If he answers: Do you care? Then you ask: Do you care what I look like?

Give it a try and wish you success! VVVV