hiding your shit in the computer sounds like a real good idea, the gas mask sounds good to cover the smoke but then what will you do with it, it isnt going to fit in the computer and your mom wont think its for safty againt the bird flu or terrorists attacts! lol i suggest just being very careful when you smoke obviously your mother will kick you out and your to young to move out so let her think she won and made you quit, and you just go about you business!