Just ask you a simple question, why did you lose your 5 bitcoin. What was the reason? Did someone steal or hacked or you sell it out on a very low price and now you are telling us that you have lost 5 bitcoin in 2013. And if you or someone else has really lost his bitcoin then nothing to worry, because investing in coins Is like gambling. Some time you will win and sometime you will lose. Try again and you will succeed.