Replying to Parents

So this may seem like a rant, but when do parents learn to accept behavior of teens,  in this case me. This summer my mom was released to all the so called "bad" things Ive been doing. Ive been caught drinking, smoking, and tonight she found my can of skoal and was all pissed. I know that its her good parenting for her to get mad at me but i just wanna know if she'll always be pissed and ever let it go. Im not a fuck or anything. Im a honors student on my way going to a good college and just want to live life. I'll be 18 in 20 days if that means anything. Its now a constant day strugle to hide my highschool life from my home life and im getting tired of it. This is pretty much a vent on NS...+++Vibes needed.