You. Hundreds of books have been written about people searching for themselves. Some methods are quite dangerous. Still others give up. But if you figure out who you are, you will be satisfied.
Lastly, the word you is in the phrase everY hOUse.
A train is a half mile long and is about to enter a 10 mile tunnel. If the train is traveling at 35mph, how long will it take for the entire train to make it through the tunnel, from the front of the train entering to the end of the train leaving the tunnel?
I am two-faced, but bear one head. Men spill their blood for me. I have no legs but travel widely. I make kings immortal. I am potent when shared, Yet lust for my power keeps me locked away.
Money (coins specifically). Coins have two faces, heads and tails. People fight for money, and money travels far and wide. Kings live on when they’re depticted on a coin. Sharing money with others is a meaningful experience yet many people keep their money locked up.