Whenever I think about past, I feel that a long period of time in my life has ended. When it was 2016/2017, I didn't feel too much like this.
I saw (lived) 90s life, 2000, 2010 and 2020. But it doesn't matter at all. Time has it's own speed. There are too many things that i have been. I have seen a completely changing world experience. So, I decide to write down every that i can remember.