Why we can not choose to live our life happy

There are so many terrible things we have to bear around us in the world (D3 Gold), such as taxes, bad weather, and heavy traffic and so on. But there is some troubles that we can not forgive, so we let them indulgent. Indeed, we should get new hope and energy of our life no matter what we encounter. If we always can not find the reason of our bad life, we can not improve our life to be better. As a matter of fact, when we think it over that the poor man are so painful without any wish of their life, and then we will find that we are so lucky, because we will not worry about our life, we will not worry about that we will starve. Among the success, happiness and education, if most of people choose to receive education, I am sure that people can step on a new road because they can get rid of poor and hardship when they use the knowledge, and we must clean the hinders so that we can make the road to be brighter. As to our human beings, half time of our lifetime will spend on our work, and if we are feed up with our work, it means that half of our lifetime will be indulged in pain. Why we can not choose to live our life happy? Moreover, if we feel that our life is not happy, we had better to cast about to change it.