Difficulty While Writing?

I have this problem too (And I mean to the point where I'm screaming at the paper and get kicked out of the house or get detention when in school....) I found that when I have an idea, I quickly write it down (just the ideas at first) and then begin to form the story. Try to make an outline first, where the story takes place, characters, events you want to happen, etc. Then, begin to mold things together and fill in the gaps With ideas to see how you like it. Don't throw away papers you are displeased with because they may prove to be helpful and give further ideas with other or current writing. I find it helpful to read other peoples writing, see how they put things together, how they go about with their writing. Sometimes I use "bad/dirty" language in my stories, it helps define a character and/or create a more personal feel when said by the narrator...or because I'm mad and need some way to say it without getting yelled at. My weakest point in writing is not being able to finish what I started and I tend to re-create things in other pieces of writing from former bits of writing and such. Listening to music helps.