2: Don’t do anything that 30 years from now you’ll look back at and say, “Oh, my God, why the hell did I do that?!” I wish I had a nickel for every time I heard someone start a sentence with, “If only, when I was younger, I would have….” So I did a little informal survey for you, and I found out that, amazingly, all these people had the same regret. When they graduated from college, sadly, they bought furniture.