Gain and pain are so closely knitted together. They are many things in life that we see the gain so we do it. But we did not see the pain that it can bring. On the other hand, there are also many things that we see the pain in doing them, but we do not see the gain. Some times, it is even worst, we spend a lot of time in doing certain things, but we did not gain anything out of them. We bear a double cost in this case. I think we should really see things more carefully, and think more carefully to know what exactly they are. Or else we may have eyes, but do not see, have ears but do not hear, have brains but do not think, have hearts but do not feel. There is surely more to life…