Being picked as the best man by your closest friend or relative can be very honorable. However at the same time you need to write your own speech.

It can be daunting at first but you can easily take advantage of the moment and blow everyone away. It does not matter if you are a complete stranger to most of the audience which can be very uncomfortable. I should know.

My advice is to just keep it simple. A secret tool to use in your speech is telling a story about you and your best friend or how you met his wife. That is what the body should be of any best man wedding speech.

Even cracking a few jokes is part of a killer wedding speech. Your the best man you are supposed to have the best speech too. For further reading check out this guide to Best Man Wedding Speeches that has helped me out.