The current frontman of the rock band Foo Fighters and former Nirvana drummer, Dave Grohl, has just updated his official Instagram page after a long time and revealed a paper that proves that he is a “man.”

As some of you might remember, Dave Grohl has closed his official Instagram page over four months. He stayed away from social media and focused on his daily life and the new music of his band Foo Fighters.

But recently, following his entering social media again, the 52-year-old musician has shared a paper on his Instagram account. The paper has belonged to his childhood. When Dave wrote those words, he was 15 and speaking about his current state of life. He was also wondering about his future at the time. But with the paper, Dave Grohl has proved that he thought older than his current age.

“I think that in the past year I have changed both mentally and physically,” Dave said.

“Mentally, I have changed quite a bit. When I was 13 or 14 (I’m 15 now), I used to think of everything as one big joke; life was one big party. But now, I approach everything with a more serious approach. School is no longer a social activity — it’s a part-time job that requires a lot of attention and a lot of work.

“Physically, I have changed a great deal. I was about 6 inches shorter 1 year ago and had a different haircut, different clothes, etc., and now that I think about it, I’ve changed quite a bit. And so, I think that in the future, I will change even more, which makes me wonder… what will I be like in the future?”

In the comments, people sent their support to Dave Grohl.

When a fan Castiglia says, “Future Dave is pretty cool,” another fan Padre said, “15 year old you would be proud of you now. you’ve touched a lot of hearts man.”

Here’s the paper written by Dave Grohl:

(photo credit: Dave Grohl Instagram)