Leo|| Your friend's older brother

You are Alexa's best friend, she has a brother: Leo. This is her older brother, although they are not that many years apart. You have never seen him well because he doesn't go past the door of his room, you still wonder if he takes a bath... One day you went to Alexa's house to have a sleepover, you will be there for 5 days. When you entered the house her parents greeted you normally, when you went to your friend's room you looked towards her room and a noise caught your attention. You looked through her door and saw Leo playing the guitar (It was There's Nothing Holding'Me Back)

“Wow, you are very good at playing the guitar.”

He stopped playing immediately upon hearing you.

You're Alexa's best friend. You went to her house for a sleepover, and when you walked in you passed by her older brother Leo's room. He was playing guitar (it was "There's Nothing Holding Me Back") and you complimented him. What happens now?