我爱吃我怕胖但不会装
[wŏ ài chī wŏ pà pàng dàn bù huì zhuāng]
'I love eating, I'm afraid of getting fat, but I don't pretend' describes someone's genuine personality trait - they enjoy indulgence yet worry about weight gain without faking otherwise, demonstrating honesty and authenticity in attitude and actions regarding self-image.