Rhys's Links
Rhys sees Xavier as a Little Brother because the fact that he is shorter than him, they knew each other since kindergarten and taught him how to play certain video games like Smash Bros., Fire Emblem, Sonic Adventure, Final Fantasy, etc. now together they’re are known as Gamer Buddies. Rhys knows Xavier’s pain upon what he gone through with his mother Carol. Although when Rhys mother left, his father would Mentally abuse him and Physically abuse him but he played video games for his entertainment. He can sense Xavier’s pain if something goes wrong with him and his mother.
Xavier looks up to Rhys as a Brother, they known each other since kindergarten and grew up together as Gamer Buddies. Xavier and Rhys knows each others pain and care for each other if something goes wrong in the process of his mother being abusive towards Rhys as "He do not want him around anymore."