Why do I have so much pride?

How can I get rid of it?

i realized I have too much pride just now.
My sister hurt herself & is having trouble walking.

She asked me to go get her something to eat... I had too much pride to just say yes.
I said “Fine, since I’m hungry too.”

I’m not.. not at all..
It was just an excuse I guess?
Then she said “thank you”

I had too much pride to say you’re welcome
So I said “Yeah yeah” ..

How can I change this?
Why do I have so much pride?
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