I will not be a professional makknitter and that is okay. I will not be a professional knitter and that is okay.

"Maker" is too general a term and quite unnatural here.

Machine kKnitting Machine Knitting

It's a small issue, but it might be good to observe title capitalisation rules.

I have enjoyed knitting since I was 8 years old and so. Therefore, when I had to choose my specialization in my new school after high school, I could not decide between sewing and machine knitting. I have enjoyed knitting since I was 8 years old. Therefore, when I had to choose my specialization in my new school after high school, I could not decide between sewing and machine knitting.

I have enjoyed knitting since I was 8 years old, and so when I had to choose my specialization in my new school after high school, I could not decide between sewing and machine knitting. I have enjoyed knitting since I was 8 years old, and so when I had to choose my specialization in my new school after high school, I could not decide between sewing and machine knitting.

(1) Since this is a lengthy sentence, some comma breaks will be good. (2) "High school" should always be spelt as two words.

In the end i, I didn't go to that school, but I had some private lessons with a second hand machine and I quickly found out that I didn't enjoy machine knitting at all. In the end, I didn't go to that school, but I had some private lessons with a second hand machine and I quickly found out that I didn't enjoy machine knitting at all.

In the end i, I didn't go to that school, but I had some private lessons with a second -hand machine and I quickly found out that I didn't enjoy machine knitting at all. In the end, I didn't go to that school, but I had some private lessons with a second-hand machine and quickly found out that I didn't enjoy machine knitting at all.

(1) Again, comma breaks in a lengthy sentence will make it easier on the reader. (2) "Second-hand" should be hyphenated. "Second hand" means something else. (3) The "I" can be omitted to avoid excessive repetition of "I".

It was completely different than what I was used to do and I had to learn a new set of skills. It was completely different than what I used to do and I had to learn a new set of skills.

It was completely different than what I was used to doing and I had to learn a new set of skills. It was completely different than what I was used to doing and I had to learn a new set of skills.

Alternatively: "It was completely different than what I used to do". There's a slight difference in meaning, but the two phrases are similar enough.

I loved the end result, but iI always forgot how to do things and I was afraid of breaking something every time I used it. I loved the end result, but I always forgot how to do things and I was afraid of breaking something every time I used it.

I loved the end result, but iI always forgot how to do things and I was afraid of breaking something every time I used it. I loved the end result, but I always forgot how to do things and was afraid of breaking something every time I used it.

(1) Comma breaks would be good. (2) Again, the "I" can be omitted.

So i, I never practiced between everyach lesson and in the end, I didn't learn a lot. So, I never practiced between each lesson and in the end, I didn't learn a lot.

So iI never practiced between everyach lesson and in the end I didn't learn much. So I never practiced between each lesson and in the end I didn't learn much.

I have really have bad memories of it and it's a pity. I have really bad memories of it and it's a pity.