Self -study Self-study

Need a hyphen here

Today I watched a video on YouTube about the dark side of self -study. Today I watched a video on YouTube about the dark side of self-study.

Past tense of 'watch' - 'watched'

Today I watched a video on YouTube about the dark side of self -study. Today I watched a video on YouTube about the dark side of self-study.

The man trynarrator tried to convey anthe idea that "Self-study is difficult and sometimes it makes us feel stupid". The narrator tried to convey the idea that "Self-study is difficult and sometimes it makes us feel stupid".

"The man" - 'narrator' is more appropriate, explains to the reader that the person who made the video is expressing this idea. Also, use definite article - the, because it is a specific idea :3

The man tryied to convey anthe idea that "Self-study is difficult and sometimes it makes us feel stupid". The man tried to convey the idea that "Self-study is difficult and sometimes it makes us feel stupid".

Each of us tried to do what he want,ed, we became better, but wethen we soon gave up soon. Each of us tried to do what he wanted, we became better, but then we soon gave up.

Stick to one tense - the past tense - "Soon give up" - it's a collocation phrase, often used together in this way

Each of us tried to do what he want,ed, to becaome better, but we soon gave up soon. Each of us tried to do what he wanted, to become better, but we soon gave up.

When we want to start to dobegin something, we are full of motivation, we plan all week, but then when we do nothing one day, we feel ourselves lazy and unmotivated. When we want to begin something, we are full of motivation, we plan all week, but then when we do nothing one day, we feel lazy and unmotivated.

"We feel ourselves", is a common mistake for Russian learners to make in English. You can just simply say 'we feel' or 'we feel ... within ourselves'

When we want to start to dodoing something, we are full of motivation, we plan all week, but then when we do nothing one day, we feel ourselvesend up feeling lazy and unmotivated. When we want to start doing something, we are full of motivation, we plan all week, but then when we do nothing one day, we end up feeling lazy and unmotivated.

A very richimportant choice hinders us. A very important choice hinders us.

Rich - I would not use this word. Perhaps use important

A very rich choice hinders ubig factor hinders us - choices. A very big factor hinders us - choices.

Haveing choice is good, but sometimes it is harmful. Having choice is good, but sometimes it is harmful.

Use a gerund here :3

HaveBeing able to choicose is good, but sometimes it is harmful. Being able to choose is good, but sometimes it is harmful.

We can't focus on one thingmultiple things at once and we are frustrated, instead of we, we can do one thing. We can't focus on multiple things at once and we are frustrated, instead, we can do one thing.

I think you meant to say 'multiple/many things' instead of 'one thing' :3

We can't focus on one thing and we areone thing when we do multiple things at the same time and we end up being frustrated i. Instead of we dowe can do focus on doing one thing. We can't focus on one thing when we do multiple things at the same time and we end up being frustrated. Instead we can do focus on doing one thing.

We need to choose one thing and just do it( i! (Imagine Shia LaBeouf). We need to choose one thing and just do it! (Imagine Shia LaBeouf).

Punctuation

We need to choose one thing and just do it.( imagine Shia LaBeouf). We need to choose one thing and just do it.( imagine Shia LaBeouf).