Paraiyar said:
Today I was walking through town with my guitar and I swear this really attractive girl smiled at me but by the time I realized it was too late. I hate how it always happens like this. This girl was beautiful as well. Maybe she was just smilong in my general direction but it felt like it was because of the guitar.
I hate how I always seem to miss these opportunities.
She probably was smiling at you, because of the guitar. That is a thing, after all. Something that makes a person interesting, makes them stand out. Next time you might as well strike up a conversation. Maybe if you walk that way another time, you might see her again.