I just cant seem to prove that it's funny. But is HAS in biology. Humour has a strss release survival value, that is Darwinian. It is wise to be humourous.
Reality is another matter.
Pain and the inability of every sentient being, not to quit at the pain barrier unless they cease to be, defines reality at present for many. Curious for your definition of real. We can chhose to ignore joy. No, I'm not saying that. No, I'm not saying that.