Have you been frustrated by giving all your love and not getting picked?

I have been the best friend to a girl I liked. She still chose someone else over me, who is not at all good.
She said "I need someone like you"
. Why not me?
She looks at me like I am her brother.
Every time I get close to someone they think I am their sibling, why? Even if I clearly state that I am not comfortable with that.
Have you been frustrated by giving all your love and not getting picked?
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