No matter how the market develops, keep your inner peace, pay what you can afford to lose to play the game, and don't use leverage and borrow money (Buffett has lived for more than 90 years, and some of his words are worth learning from). I once lost 3 million dollars due to my impulsiveness, and now I'm starting all over again. I now know that money came very easily in the early days, but to get anything in this industry now, you need to work very hard and have a bit of luck. Based...