I don't take it as sad. It is a defence mechanism of sorts. It is all about conservation of energy, a basic natural law. Why? It is easier to live in lie than to try and make a difference, to make a change in your life. It is all about stepping out of your comfort zone, no matter how fake and full of lies it is.
You are making friends here. I don't have to tell you the recipe. Here it comes anyways, in case anybody else is reading these ramblings :)
Be yourself!
When you are a fake, then your friends are fake friends too. Look at all these social networks. Need I say more?