What do you learn about human being n the world? They change. Even mother nature change. The sun rises n sets, the season comes n go, beautiful flowers become withered and brown. The living standard of a country n so forth. So there's no denial that a human being said he never change. Even when u grow old, that is part of a change too. People and other beings are born, live for some time then die. Now that's part n parcel of life. Its a gift from God. And it has to be taken back at some point. We lives in this world everyday of our life until we don't realise who n what comes n go cuz we are too busy with work,school etc etc. We should remember n reflect our life as much as we can cuz if not, who will? We have to accept these kind of changes that has been going throughout our life. You may not like it when some1 close in ur life just disappear out of the blue moon. But is there anything you can do abt it? well in the past, yes u can. But since its already happened, we should adapt n accept. 1 thing about life is in this world... It moves on no matter how tragic or how miracle it is.