Keep it like that?

Its so easy in the beginning. She looks at you adoringly. She hasn't seen your shortcomings yet. She doesn't push too hard. She doesn't complain when you take on an extra part time job. She doesn't care that you have lots of other girl "friends". Shes all too agreeable. How could it be possible to keep it like that? whats the trick to keep it from turing into "whos that, whys she leaving myspace messages, i don't understand why you need three jobs, etc etc