I think about this occasionally after reading some Calvin and Hobbes or watching some New Doctor Who. Then I go watch some mindless TV like The Office or Burn Notice, and forget all about it.
It's almost frustrating because there's so much out there we hav'nt discovered yet, but won't know sh*t in this lifetime. So yeah, preserve the planet so in our next 5 lifetime's from now , by then , we should know if there's aliens or not
Yeah, lol, whenever you don't feel like working, tell your boss, "But does this work really matter in the cosmic scheme of things?"