1. Actually, almost everyone of us is desired to grow up when we were little children, and is willing to go back to childhood when we have grown older. So, I think, when growing older, we have learnt more about ourselves and what life is really like, being able to live more comfortable and do better job, but with less happiness of joy and innocence.
2. First of all, they are the ones who has just gone through some tough experience, which has significant effect on them, for the simple reason. Someone couldn't even live with itself after some big accident. That leads some of them to nagative attitudes to life. In addtion, the carelessness, even discrimination from the society, is another undeniable element.
3. Yes, of course. In the view of a soldier, war means nightmare, especially when their battle companions were shooted down just in front of them. The only goal in war field is just to survive. So even though the hero of a war doesn't feel good when looking back to the memory at war.
4. Of course our great ex-Prime Minister ZhouEnlai, whose name just appears at the first second when comes to the words such as admired, respected, moral and so on. His achievenments are widely admitted by people from all over the world, which need not any waste of time to state.
5. Well, in my opinion, what makes a great actor or actress are not good-looking or shapely figure, it is the acting skill that plays the most important role, which is according to their own thinking of acting and their life experience.