Axl: you like to steal his clothes, you wear his boxers and baggy t-shirts. he thinks it's cute but will usually ask for them back which causes you to sulk, "fine, you can keep it".
Slash: you like to steal his hat and mock him for being so mysterious, he thinks it's funny though and usually just takes his hat back and ruffles your hair.
Duff: you tend to steal his vodka, sometimes to drink and other times to hide it from him so he doesn't drink it.
Steven: his drumsticks, you play with them on top of his head which he thinks is cute.
Izzy: you take his guitar but only when he's not home because he would probably kill you if he knew.