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.
Some men never seem to grow old. Always active in thought, always ready to adopt new ideas, they are never chargeable with foggyism. Satisfied, yet ever dissatisfied, settled, yet ever unsettled, they always enjoy the best of what is, are the first to find the best of what will be.
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 think dates considered super corny and cheesy - whether it's going bowling or miniature golf or something where you can be competitive and just have fun with each other - those always make the most memorable dates!