If I leavego a day to not write, I willwithout writing, I feel upset and uncomfortable. If I go a day without writing, I feel upset and uncomfortable.

At the very beginning that, as I started to write, it was really hard work. At the very beginning, as I started to write, it was really hard work.

I didn't even write a single word, and I could only turn to Google tTranslatione for help. I didn't even write a single word, and I could only turn to Google Translate for help.

But with the time passage of time, step by step, little by little, I gradually began to write two words and three words until I canould write a simple short sentence. But with the passage of time, step by step, little by little, I gradually began to write two words and three words until I could write a simple short sentence.

I don't really dare to think back to that period of time. I don't really dare to think back to that period of time.

You could also say: I don't like to recall that period of time.

I don't know how long it will take (for me) to master the proper/correct writing skills well, but I will keep on doing it until I think I can master writing wellhave. I don't know how long it will take (for me) to master the proper/correct writing skills, but I will keep on doing it until I think I have.