Why are nurses so shocked and offensive?

They see me and my blood pressure and vitals.

They say all my vitals are perfect.

But once they calculate my height and weight they all do this head jerk back like they are shocked.

It's totally offensive that every nurse does this to me.

I'm 5'3 260. I carry my weight well and you wouldn't even know I weighed that much.

But it's like WHYYYY

Why are nurses so shocked and offensive?
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