The history of Grease-boy.

Recently I noticed that I have 17yo, may sound stupid, but... I have 17yo.

I remember when I entered in the high school, I shocked with a boy, I gather that he should be in 2nd batx. He looked like a boy from Grease. When i shocked with him he said: "La carne de burro no es invisible". 

I don't know why, but I still remember this boy, I don't know who is he, just he looked like a boy from Grease and this sentence. Isn't it sad? Grease-boy unique frese is "La carne de burro no es invisible", what a horrible phrase to be remembered, just think it, if the donkey's meat were invisible, we should shocked anyway, because they are invisible, not ethereal.

But this isn't important in this history.

Grease-boy looked gigantic to me, at the time, but when I see me in the mirror I don't see me higher, just for the "beard". I don't know why, but I don't see me like a 17yo boy, physically or mentally, I should think about my future, not about how rules this song (exactly this part), or this game or blablabla. 

I can't see me growing up, cuz I'm growing all the time, and I'm with me all the time, but not even in the pics, I just look exactly like my actual me, but more happy. (You know, Time kills everything)

The only difference that I can see, is when I see the boys of 1st ESO, they are small. Maybe I'm that Grease-boy, but I can't see it, they look at me like I was the Grease-boy, but I can't feel it.

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When I became Grease-boy?