If we did not reach our dreams, we are totally disappointed. The disappointment bring us in a depth depression that cause us to commit suicide. This is the problem of the people who can't control his self when he was already lost everything. Sometimes, we must not take our life seriously. We have our own failures and it is not the reason why do we need to end our life. We are living in this earth because God has a plan to us. We don't have any rights to kill ourselves in our own wants.
Problem is always still there, don't ruin your life in problems. Remember, there are always hindrances because it is just a measurement of our endurance. If we successfully pass all the challenges we have definitely, we can surpass every obstacles that we encounter in our life. Just let the problems problem you!