Why did his mind go straight to me wanting to date him?

I had a huge crush on my friends brother since a met him at 12 (by the way is it normal to like a guy for two years? lol) and he confronted me a little bit ago and said how people were telling him i liked him, and he's not attracted at to me in that way (OUCH :() and how he not ready to date yet (he's a year old then me). If i didn't tell him directly that i liked him before he confronted me then why would his mind go straight to me wanting to date him? I'm also not ready to date anytime soon.

side note- proud of him for having the courage to talk to me he was very nice about it and said he felt bad

Why did his mind go straight to me wanting to date him?
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