if suppose i get back in to the future i would like to go 2005 because bit coins releasing 2009 so i have to saving my all money and investing in to bit coins. really it is very helpful to me to get rich. generally most of the people saying i want to go back and rectify my mistakes and i want to get relax so those all are stupid words. if we have money everything come to our near. so i believe to earn and earn more.