I am scary. What should I do?

I want to send to my crush a friend request in Instagram or in any social media account (as he know I like him, we make just eye contact, he make strange signs and tell his friends about me then they look at me and they laugh in front of me) I don't know if he like me back or what he do and I think he knows my accounts in social media but he doesn't send to me any friend request
- I am scary if I follow him and he noticed that and didn't follow me back and tell his friends (as he always do that) and they laugh at me
- I am scary if I follow him and then he follow me back and if I start to talk with him like "Hi" and he seen my message and didn't answer and tell his friends
I am scary. What should I do?
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