How to stop Procrastination?

Yea, I realized I got procrastination after I read the other thread in pits of hell. I think I started getting it in gr 10, but it became serious in gr 11 when my marks are going down.

This is what I remember my life was like in gr 11 (wall of text):

 Spoiler

I find myself playing maplestory when I have this gigantic essay due tmr. So I was like what am I doing? I logged off, opened up microsoft word, started typing in a sentence. and then I froze at what i want to type. after a few minutes I find that nothing came out of my mind, and opened up firefox and went to SW (sp doesn't exist back then) I read some random maplestory news. and then went back to microsoft word, some how finished the first sentence. and then I froze at the second sentence. goes back to firefox, opened a new tab and went on youtube. View all the new videos from my subscription, and some random ones that's related to the videos I watched. came back to microsoft word, and then reread my first sentence again. hey how am I going to start the 2nd sentence with this as the first sentence? deletes first sentence and rewrote another sentence. and then wrote the 2nd sentence cause it's connected to the first sentence. Now I'm stuck again, I went on basil, check out all the auctions and bid on some of them. came back to the essay, ok 2 sentences... I started typing in random words and then delete them cause I really don't know what should I write for 3rd sentence. Then I went to hotmail, check out my emails, then facebook, then mofunzone, then back to SW, then go to some other random websites, though out all those, I managed to get 3 sentences. Ok, now I see my problem, I climbed under the table and unplugged my network connection, there, there's no websites to distract me anymore. So then I started thinking about my 4th sentence, ok i'm stuck again... without thinking, I went to start, all programs and then look at all the programs on my computer for the billionth time, my mouse hovered on games, and then I selected solitaire. the next thing I know i started playing it. After several rounds, I noticed that I have to get back to work. I started rereading what I have typed so far, and then I deleted them all cause what i wrote was crap, back to sentence 1... Then I find myself playing on the fonts of microsoft word, the next thing I know, I started inserting water marks on my essay. Ok, this isn't working out... I took out a sheet of paper, closed the monitor of the computer, and started writing it on the paper instead. When I can't think of anything to write, I started clicking on the pen and next thing you know I started playing music by clicking my pen. Still with nothing to think of, I walked around the room, I look at everything I have in the room, I took out my yugioh cards which I had stopped playing a few years ago and started reading out the cards. Then I took out my gr 6 workbook and started to read that. Still with nothing to say and nothing to do, I spilled milk on the floor. Now I felt much better for some odd reason. Went back to the essay and just froze there. I just spend the rest of time time sitting on my chair without doing anything, except playing with the pen and any other stuff I find on my desk. Then I looked at the clock, holy sh!t, it's 1 am! I opened up my monitor and quickly typed in a bunch of BS, I know what I said doesn't make sense, but in the end I finished it. I reread though it, edit it and try to make the BS more comprehensible then I saved and printed my work before I went to sleep.

Now I kinda got used to procrastination and I won't even try to stop myself when I started lurking on the internet or doing w/e. I just start doing my hwk at around 11PM-1AM. I'm still getting average marks in school (or sometimes above average, with the exception of english which is below average...)

I'm usually ok with my mark, I have no complaints, the only reason is the peaching from my parents that I have to maintain high marks.

But what changed me today is an influence from this gr 11 kid... he's kinda my "student" cause he asks me stuff about computer programming alot, and I helped him in doing his computer project. His first term mark in computer is 96 (highest in class this year), (i got 94 when i was in gr 11 last year first term, the 2nd highest mark in class. The highest mark was 95) Anyways today he told me his average was 89.6%, and he was so pissed that he was this close to get into 90. Usually when a friend tells me that, I'm gonna go like "fuucking nerd! I can barely get 80!" but this time he's different. because I'm kinda his teacher I know all his limitation, and I know that I'm above him and smarter than him. So why is someone who's below me getting higher marks than me by alot?

I find the answer today after seeing the word "procrastination" (Actually I never knew what the word means before today >.>)

The answer is because he's hard working and I'm not. And I usually don't bother with work because it's not "fun". But now that i think of it, is grinding lifelessly in maplestory "fun"? is reading posts on forums "fun" (hey isn't that just like reading articles for hwk)? is watching videos on youtube "fun"? is clicking your pen a million+ times and try to make music "fun"? is doing anything that i'm doing everyday "fun"? Yet my student is having fun though working hard. after he's done, he can play any game without the pressure of thinking that he's gonna mess up.

There is more, last year, i got the worst english ever, average mark was around 68% and I managed to get 66%. my student got the same teacher as mine last year. first thing I said to him was "you are dead". guess what he got this year? 75%, HIGHEST MARK IN CLASS!!! the average this year was 66%. That motivates me even more, this year I got the worst physics teacher ever, but to think that someone who's lower than me can get good/ok marks with crappy teachers, I want to get high in physics too.

So now I have all my motivations, I just got 1 problem, how do I stop procrastinating? I can't just stop it in 1 day... I've tried before but it failed. However now, I kinda know why I procastinate though articles I read. I still can't ditch all my online friends, a guild of 100 members and 100+ more alliance +50 buddy. and I can't just stop coming to SP either, or stop watching youtube. Any help please?