Well this is my last paragraph, I just finished it and I'm not so great with future proche, so I'm just wondering if someone more advanced in french could proofread it for me, if so it would be greatly appreciated.(if it isn't in future proche please try and correct it). Thanks

English
In my future, I am going to become a doctor. I am very good in my science and math classes. These subjects lead you towards becoming a doctor. I have always wanted to become a doctor because I like to help others that could be sick or injured. I will be able to help others by doing this. I will learn this in a medical university. The benefits of this job are helping others itself. I hope to become a successful doctor. This is what I want to do in my future.

French
Dans mon avenir, je vais deviendre médecin. Je suis très bon dans mes classes de science et maths. Ces sujets vous mènent vers devenir un médecin. Je toujours ai voulu devenir médecin parce que j'aime aider d'autres qui pourrait être malade ou blessé. Je vais pouvoir d'autres aider en faiant ceci. Je vais apprendre ceci dans une université médicale. Les avantages de ce travail d'autres aident lui-même. J'espère devenir un médecin réussi. Ceci est que je veux faire dans mon avenir.