Why can I smell and taste music and certain visual experiences? Sometimes when I look at specific film scenes or play a particular song my tongue and smell gets activated and I can smell and taste. What the fuck is wrong with me? It only seems to happen when I'm really awake and into what I'm seeing / listening.
https://en.wikipedia.org/wiki/Synesthesia
You have synesthesia.
I have it, too. It's not nearly as cool as people make it sound.