What can we learn from the immortal jellyfish?

If we could live forever, would you want to anyway?

Turritopsis dohrnii, also known as the immortal jellyfish, is a species of small, biologically immortal jellyfish found worldwide in temperate to tropic waters. It is one of the few known cases of animals capable of reverting completely to a sexually immature, colonial stage after having reached sexual maturity as a solitary individual

Gather ye rosebuds while ye may, Old Time is still a-flying:

And this same flower that smiles today Tomorrow will be dying