Welcome to the world of multiple Xbox's, we have three in the house now, mine in the front room with the hi-fi and main TV, my lad with his games stuff and my wife in the bedroom.
Although it's probably a bit late, do take the time to understand the "Home" Xbox idea, this allows you to in effect share games.
My boy first set his account on my Xbox, then he got his own, but because my Xbox is still his "Home" one, any games he installs on his are also installed on mine.
Next you need to think about multiple accounts, I had to stop my wife auto logging on every time she walked past mine to go to the kitchen, she still has an account but doesn't log in automatically as this logged her out of hers and she had to sign in again, became a pain.
Thirdly have fun, the Xbox One turns any telly however dumb into something very smart and you have access to your world of entertainment.
And don't forget SmartGlass, the essential app for your WP/tablet of laptop if you own an Xbox One, and if media (TV, music etc) is as important as games then consider the media remote control as your first accessory, especially if you don't like talking to the Xbox at all times.