what does this dream mean

[LLR]

ok this dream is odd 2 say the least me my bro,my best friend and sister were in a store called gamestop when my bro was buy a card i told him not 2 but he did not leason 2 me the guy who worked there gave my bro a bunch of colorful strips i got them and passed them out when my bro said i cheated him 1 strips so he took them then i took them back but when i did he grew spikes below his neck and his eyes rolled 2 the back of his head then his eyes became blood shot we start 2 fight when i went 2 throw him into some glass i stop and thought if i break if i break it i well be kicked out of the store and ever be able 2 come back so i did not then my bro got up laughing and i told him if he ever turn into a demon i would kill him then i woke up.