Recently, I am pleased to usehave enjoyed using Instagram since I made a new friend on it. Recently, I have enjoyed using Instagram since I made a new friend on it.

Recently, I am pleasexcited to use Instagram since I made a new friend on itthere. Recently, I am excited to use Instagram since I made a new friend there.

Pleased is a little formal. Excited is more natural :)

ShHer name is E., and she is from Mexico. Her name is E., and she is from Mexico.

“Her name” to avoid repetition. The original sentence sounded odd.

She is E and from Mexico. She is E from Mexico.

"and" is OK, but it is more natural without.

I have wanted to travel to Mexico ever since I watched the movie <Coco>. I have wanted to travel to Mexico ever since I watched the movie Coco.

Or if you want to emphasize that it is because of the movie that you want to travel: I have been inspired by the movie Coco, and I want to travel to Mexico.

I've wanted to travel to Mexico since I watched the movie <"Coco>". I've wanted to travel to Mexico since I watched the movie "Coco".

As I know E. better, I find out we surprisely weingly share many common finterests. For example, we both like metal musicsheavy metal and horror movies. As I know E. better, I find out we surprisingly share many common interests. For example, we both like heavy metal and horror movies.

As I get to know E better, I am finding out, surpriselyingly, that we sharve many things in common f. For example, we both like metal musics and horror movies. As I get to know E better, I am finding out, surprisingly, that we have many things in common. For example, we both like metal music and horror movies.