Most of the weddings I’ve been to have been humanist/non religious so this is just my experience. Try to keep the ceremony as short as possible, most people don’t really care about all the extra stuff that seems to go on at them these days but would be too polite to admit it. Do all the how much you love each other, how you met etc during the speeches. Last wedding I was at was great apart from the ceremony which was about half an hour sitting in an extremely warm room listening to some random “celebrant” go on about cheesy crap for what seemed like an eternity. Maybe I’m being a bit harsh but she really was awful, the ceremony is about the bride and groom, stop acting like you’ve known them your whole life when in reality you’ve met them about 3 times and will be doing the exact same act next weekend. Also make sure there’s plenty of booze all day long.