Living alone? Are you rich?

I have never felt so financially as I have felt since the beginning of July. I decided to live on my own this year... I now consider this a decent-sized mistake. I knew that my expenses would double but I don't think I ever officially did the math. All I was paying for last year was my half of the rent, the cable/internet bill, and the essential food and gas for my car. Somehow, at the end of each month I had maybe $300-$400 left over from my paycheck. I opened a savings account with a high APY, I was just chucking sums of money in there, trying to "plan for the future" if you will. I felt like a pro.
But NO LONGER! Since July, I've had a calculated budget that I've been doing pretty good at sticking to. After I've calculated all the different items that I'm going to need to pay for in a month, from food to gas to credit card bills, the number I get is pretty close to the amount I get paid every month.
Now, don't get me wrong. I like the fact that i'm living by myself. I like the idea of making my home mine and what not. And now that i'm in this situation and see what it's going to take for me to get through this year, I definitely appreciate the well developed survival skills I'm sure I will have acquired by the end of the year. But feeling like you don't have any money sucks. It just does.
So unless I finally win the Publisher's Clearing House Sweepstakes or some other kind of large sum of free money, I'll almost definitely be living with someone for the next few years.