How do shy guys react when they have found out a girl likes them?

How do shy guys react when they have found out a girl likes them?

I've had a crush on this shy guy for a while. I was to shy to talk to him but until now I don't feel as nervous as I was, only the fact that when he's RIGHT next to me I couldn't say hey D: He doesn't look around when I'm near so it's impossible for me for him to look my direction 'accidentally' and I can just smile or say hi ..

So my friend just told him that I liked him,

and she said after she told him "Do you know ______?" and he replied with a .. more like," *looks around* noo," smile on his face..

What should I do :/
How do shy guys react when they have found out a girl likes them?
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