"I finally did something I've been so afraid of doing. Even though I had planned to do it when I first set out on this English journey, I was afraid of how the result would affect me. Anyway, I took the plunge and, to my surprise, it ended up being what I had wished for, instead of what I was expecting it to be. It made me a little more hopeful and gave me the insights I was looking for. "

"I HAVE finally DONE something I WAS afraid of doing SO MUCH even though I had planned to do that when I first got into this English journey, but I was afraid of how the result would AFFECT me. Anyway, I stepped into and to my surprise, it ended up being what I wished to instead of what I was expecting it to be. It made me TO HOPE A little more and gave me the insights I was looking for. "

Thank you!

1 - "I finally did something I've been so afraid of doing" - If you are not afraid anymore, I suggest you changing it to "I'd been so afraid of (repeating "doing" is not necessary)". However, you should also think about reviewing your first sentence. I mean, maybe changing the word worder would make it sound better. My suggestion would be: "Even though I had been afraid of doing something I had planned, I finally did it." 2 - English journey. (no apostrophe needed). 3 - the resould would affect me. - After Modal verbs, we do not conjugate the verb. E.g: He can swim 2km. 4 - I stepped into it and...