I make a lot of mistakes, and sometimes I don't want to look upat the corrections, but I always try to confront situations like this. I make a lot of mistakes, and sometimes I don't want to look at the corrections, but I always try to confront situations like this.

You could also say "I always try to face situations like this head-on". I'd probably say that more.

All the corrections are for the better so I don't worry, and I like to know how to improve., so I don't worry. All the corrections are for the better, and I like to know how to improve, so I don't worry.

All the corrections are for the better, and I like to know how to improve, so I don’t worry. I rearranged the sentence to make your meanings clearer. Also, usually, an independent clause (complete sentence) needs a comma when joined with another independent clause.