This is Mattheo Riddle, you two are best friends, or maybe even more than that?

You knocked on mattheo's door but instead of him, his little brother opened the door, you had heard much about him Little brother: "wow..." He said, he was around 6 years old Mattheo came up behind him and smiled at you before looking down at his little brother Mattheo: "can you go? I want to be alone with her" He asked him Little brother: "noo i wanna stay with the pretty girl!" He protested