He wants to have sex with you, make out with you, and see you naked
By brushing it against a metal
He doesn't like you or maybe has a grudge against you!
No.
It can mean that he likes you or that there was not enough space in the hallway.
Usually by the wind - or by animals brushing against the plants.
He wants to have sex with you, make out with you, and see you naked
its to brush down a horses leg
Constantly brushing up against the shore and taking sediment with it when it goes back to the ocean.
The most affective weapon is brushing and taking care of your teeth.
I am not sure what you mean by what can it do for you? Hygiene is taking care of yourelf, showering, brushing your hair, brushing your teeth, deoderant, all that good stuff. Which is essential in, for not smelling and looking llike a slob.
from setting it down places, or dropping it, or brushing up against things, cellphones can get scratches easily.
She likes you dude! i would assume with all the actions you describe.