Critics can be your most important friend. I don't read criticism of my stuff only because when it's bad, it's rough-and when it's good, it's not good enough.
The same issue is happening on a show like Everybody Loves Raymond now, which is in its eighth year and struggling to come up with good stories. It'll be interesting to see how they do. The bottom line is, it starts with the writers and ends with the writers.
There are two great days in a person's life - the day we are born and the day we discover why.