1.) you need to learn guitar, chicks dig a broski who can play wonderwall 2.) lots of hair gel, if your hair doesn’t look like a stone sculpture then you’re not cool enough broseph 3.) you need to be ripped, chug those brotein shakes by the dozens and then lift weights until they kick you out of the gym for unleashing your pure testosterone induced rage on the dude over at the leg press 4.) manners are for losers, never say thank you, always cut people off when driving to assert dominance, and spit in your broski’s food because you’re bros so s’all good [spoiler]also helps if you’re Canadian and down a gallon of maple syrup before every workout Not required though[/spoiler]