Start the speech with… This is going to be a very long speech. I stammer. Sit down and relax. Seriously, speak from the heart. You’re the best man—literally and figuratively. Just be you. Stammer and all. It can be very short but very meaningful. Quote a line in a poem the couple likes, lyrics to a song, a quote. My favorite love quote is; "He loved her, of course, but better than that, he chose her, day after day. ... Says it all. Blow the couple a kiss and sit down.