Speak Up

I hear alot about meth here lately, my boyfriend has been doing it off and on for a couple weeks. I get really upset that he does it, it scares me so bad thinking about how it ruins his body. He would just talk and talk, and act all nice and jittery. He does weed too, but i dont understand how someone could do it to their bodies. Im afraid to do it, i will never do drugs.....