I think that's just natural, and also a little good. I think it keeps you from taking him for granted, although I think you need to be a bit more relaxed so you're not creating issues either - but I think that will come with time.
Does your book address that?
Michelle - Proud DR Rockette S: 28JUL07, D'd: 29OCT09 http://tinyurl.com/27j9qo2