Oh this sounds familiar. I felt always a bit awkward with boys around my age or younger, especially if I liked them at least a tiny bit. Total muteness and red face
About the older men: unfortunately I had also this experience as a child. Please for your own sake stop talking or visiting men, who you are not interested in but they are into you.
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Your neurodiverse (Aspie) score: 152 of 200
Your neurotypical (non-autistic) score: 73 of 200
You are very likely neurodiverse (Aspie)