Is it normal to feel offended when someone tells you "you are so skinny"?

There's a woman at my work place who always make remarks on my weight by saying "you are so skinny" "don't you eat?" "You are becoming skinner day by day "

For reference I'm 5'3" and weigh around 57kg 126lbs. And my BMI is around 22.3. I do weight training 2 times in a week and my body mostly carry fat on thigh and hips (slim pear shaped)

Also she is the only one who tells me "you are so skinny" no else does which I find it weird.

Is it normal to feel offended when someone tells you "you are so skinny"?
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