Speaking as an adult who spends a lot of time around teenagers, both mine and others: absent some significant evidence of malice, it is incumbent upon adults not to take kids very seriously at these moments.
In other words, even if you had intended to make fun of her, she was the grown person. She should have let it go.
no subject
In other words, even if you had intended to make fun of her, she was the grown person. She should have let it go.