LOOKING FOR TIPS ON OFFICIATING A WEDDING +OPEN LIST+

My sister and her fiancé gave me the honor of officiating their wedding in Boston in August and I'm a lil nervous. Need help. Plz.
  1. This is my sisters wedding, and not mine. Do not talk about myself.
  2. How to Conduct a Wedding Ceremony
    Step 4 breaks down the 7 parts of the wedding ceremony (should help with writing the speech!) www.wikihow.com/Conduct-a-Wedding-Ceremony
    Suggested by   @wikiHow