In one's youth every person and every event appear to be unique. With age one becomes much more aware that similar events recur. Later on, one is less often delighted or surprised, but also less disappointed than in earlier years.
I shall despair. There is no creature loves me;
And if I die no soul will pity me:
And wherefore should they, since that I myself
Find in myself no pity to myself?
I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.