Age gap siblings

my brother is 11 years older than me he would read me stories and sing me songs he taught me how to ride a bike and play guitar but he is 11 years older than me he is 16 out with friends, i’m 5 playing with barbie dolls he no longer reads stories or sings me songs because he is 11 years older than me we are now 7 and 18 he goes on drives and gets back at 2 sometimes we play games in his room but he’s an adult and i’m still growing up so by the time i’m 10 his room is empty his new house is nice but i don’t see him often he’s 22 and announcing their pregnancy there’s no longer a room for me to sleep in i’m 15 with a brother 11 years older than me i taught him to braid hair, make friendship bracelets and who justin beiber is but he doesn’t remember that he has a family of his own i wish i could be a kid with him stay up too late and eat to many sweets but he is 11 years older than me