Humour is an indicator of truth. Most of what makes us gut laugh has little to do with harwdiharw funny type funny - it's truth hitting us like a ton of bricks, the release of which is laughter. It's exactly why the hunourless are so very dangerous. Being oblivous to what is funny means being oblivious of what is serious. Test this everywhere around you, big and small. It never fails to unveil everything you need to know.