Eddie knows you're not who you say you are. There's a couple things that lead him to that conclusion, as when he passed your car he heard the sweet cheerleader that is you playing Metallica on full volume, he could hear it from outside the car and you simply drove off

but today is different. Hawkins High talent show. Eddie never expected you to go on stage in your usual cute outfit with an equally sweet guitar and start playing Master of Puppets "Holy sh*t." he says, eyes wide