Good points from Codger, especially in relation to the problems of finding new songs! As an ageing creative I have to say that generally, creativity appears to peak at between 26 and 30 years of age. The trick then is to stay at that altitude. If you got there by writing twenty good songs a year you can eventually stay there by writing one or two. Your previous work and reputation is an upcurrent you can glide on, an occassional flap of the wings keeps you at that height.