N) *smiles* The long-term deals with the universe level.

Prompted by the 'nothing lasts forever but the earth and sky' phrase. The sky is a function of the earth: the biosphere, seen from the inside. Unless we tow it along with us, in those few dozen billion years the Earth will cease to be recognisable, engulfed by the sun.

I intend to still be alive, or at least to still exist, when that happens.