If you have an older or younger brother than you have grown up with whilst maintaining a good relationship, there lies a very high chance that he will request that you be the best man at his wedding when the time comes. You know each other well, probably better than anyone else does in the world, so it is important that you put some heartfelt effort into writing a good best man speech from brother.
Play on What You Know
Being brothers and likely to literally have known him for the entirety
