Most wise humans know that while we should take our roles seriously as workers, parents, carers and the like, we should not take ourselves too seriously. Nothing saps the spirit like having a po-faced professional colleague whose humourless attitude tends to get everyone down. And NASA has found this out from analysis of long range exploration missions on Earth such as Roald Amundsen’s south polar trips. That is, such long range exploration missions actually do better if they have a jovial jester on board to maintain morale, especially when times are difficult. In Amundsen’s case, it was the expedition cook who was the joker.
In fact, your correspondent is starting to look more and more like a runner as a Mars exploration astronaut, especially given that he is a portly fellow whose corpulent carcass will allow him to live off his own fat reserves. He will thus not need many consumables (food) to take with him on a two-year round trip to Mars. Well – providing the rocket can lift him off the ground that is.
Mind you, this writer is a bit of fretful flapper – no super-cool Neil Armstrong test-pilot type here – although he is, at least, situationally-aware. As Rudyard Kipling should have said: