Hi everyone can you please help me to correct this writing

Hi! I'm glad to write to you this Email .How are you?I hope you are doing great. I know you are so excited to know about my future plans and my choices ,so that why I decided to inform you about them. I have a lot of dreams for my future. After graduating from a high school ,I will enter to the literature university so that why I'm working hard in order to get a good grades. I choose to study literature because I want to be an Arabic teacher in the future. AFTER that,I will try to find a good jib so as to change my conditions and achieve my goals. I will write my own book about my experiences in life so that I can help others how to build their own futures and how to overcome all difficulties. Therefore,I hope this book becomes famous in all the world. I will also create new methods in order to teach students without being bored or frustrated .
How about you?do you have any plans for your future?
I hope to hear from you soon.
Best wishes.