How important is maturity?

pfttt being immature is the greatest thing on this planet, 1 girls love arrogant even though they wont admit it, 2 being childish is more fun things feel better things are funnier everything is better and 3 people like a much more fun person these days i find especially with all the problems going on, nobody really cares about the last jane austin novel that made u fall asleeep and regret u spent all ur money on a sedan.