When have problems please do not run away from a problem, sometimes falling, it is common. Just accept the true in your heart and try strong accept it. Learn to think positive, If you do everything to the fullest If it is unsuccessful You will not regret with it. Because you do it best then. If this problem can not be solved alone. Accept the idea others. Because everyone has idea different. Nobody perfectxxxx .. even you or me, but there are many things I want to talk with you. If you read this post. To know that I worry about you, I know sometime you needed alone. I understand this feeling well. Please believe in me, you are my friend, you are my little brother, and you will be good engineers in the future. Please come back. Don't think too much and we will solved problem together.