im 17,i smoke cigarettes, have been for 2 1/2 years and i also smoke weed sometimes i am almost positive my mom knows but i think she is in denial. how do i know if she knows? ive been coming home high like 3 or 4 times a week but i dont ususally smoke that much and i feel like i act weird around her. plus she always tells me i smell like cigarettes even if i didnt smoke.