So I took all my courage to walk up to this chick with big tits 7.5/10 on my local carnival fair but didn't notice she was 15/16 (pretty young face) until only after she turned around. Doesn't matter I thought just play it cool, so I walked up to her after mustering all my courage and said "Hi", she turned around and it seemed I startled her a bit, I smiled I still played it cool and took some "loom-bandz" from my pocket that I won earlier on the fair (loom-bandz are the shit currently with all girls wearing them here) and asked her if she could explain to me what these loom bandz are and how they are used because I see her wearing a loom-band bracelet, she then went full spaghetti/red and I barely understood what she was saying, so I just nodded but she tried to smile but I felt this anxiety/weirdness from her and just ended with "so these things are just for girls, right?" and she nodded "Yes", and I ended the conversation with a Thank you, I smiled and walked away.

Honestly, I think I played it cool but I think I might have startled her from approaching her from back/side and asking a random question. I have no idea what to think of this situation and how to learn from it because I don't know what went wrong.

Also I got a pretty friendly young face so I don't think that could have startled her.