Recently I have had the urge to close every account I've ever created. I've removed my Facebook, twitter, and YouTube. I don't really know the reasoning behind this. I never really used Facebook that much, but knowing no one can see my profile gives me relief.

How are you closing yourself off by shutting off the damn computer? You are putting yourself back in the real world. I dont see how you think turning off the world is going to end the world as you know it suddenly everyone will die. Since they wont.
They have people outside unless maybe you are in the arctic. Not a lot of people want to live in that area but people still do. Which confuses me but hey its those peoples choice to live how they wish. Who am I to question right? Yeah maybe you should shut off your computer and get a grip.
A lot of us are on the computer but unlike you we realize that a world does exists outside it. Some of us just prefer to ignore it or just don't know how to be part of it. We are not denying that it exists like you seem to be. Get some air and time away from your computer.