Heh, I think parents that all they talk about is their kids isn't so much that they think their kids are the most important thing, it's that there's very little else going on in their lives to talk about lol! I find that the older kids get, the less overall time parents spend talking about them.
That combined with the amount of stress and emotion kids create, it only makes sense.
As far as advice, try to remember to take care of yourself too; a depressed or end of rope parent is no help for the kid.
And for the early months, the key phrase is "this too shall pass".
