In English, how do you say...?
I want to describe a scenario where a girl confessing to a boy that she is not as cute as he thought. Cuteness is just her cover or some trait she wants surrounding people to know. Inside she has bad temper. How would she say that in English language?
boy: I know you, you've been always cute..
girl: No. ______________________( "Cuteness is just my cover" or some words having the same meaning like this)