When it comes to friendship, no one understands you better than your friends. A man trusts his brother more than family, he can talk without a filter, hug without embarrassment and ask without hesitation.Your girlfriend or wife may understand you, but never like the loyal brother you have, such is the power of brotherhood. A bro code is a book of laws that is unspoken yet present in every brotherly bond. Many shows like How I met Your Mother, magnified the awareness around the rulebook but it has always been there. These rules help navigate two pals to be the best version of themselves in order to serve the needs & interests of the other.. Here are some ground rules that two good friends must follow.