Ignore the smirks seoindiaweb. Yes, it is very wise to bring ink and paper into a live in relationship situation. There is nothing sexier than bringing lawyers into your palace at the beginning. It shows that you are both mature, and serious about a commitment.
I assume this is with the future Mrs. seoindiaweb?
Make sure to have something in the contract about cooking, cleaning, and a minimum of 3 blow jobs/week. It's also important to clearly outline the consequences of not abiding by the new laws of your prison/household. May I suggest a public stoning, if she nags about leaving the toilet seat up?
You may want to get her nice and drunk before the contract discussion begins....just some tactical negotiation advice...
Best of luck.