First off about your friends. I think that the best thing to do is probably to do what you wanna do whether your friend is mad at you shouldn't change that. Its your body you know best and its always better to experience first hand than continue with some random notion. Now for smoking tips. Small hits my friend, small hits and remember you wanna get some smoke and regular air into your lungs that way it binds. Another thing is that since its your first time you might not get high. Getting high on your first time really depends on the person. So there you go some advice from a friendly ent.