Activity for Eliza

Help how many times should and should not change my wedding colors. My colors just keep changing and I don't know how to keep them set in stone. We change the day from June to September and I don't know what to do with the colors now. Any...

What should I do before planning our wedding? I know get engaged lol. But then what happens everyone just said congrats and when is the big date? Like that's it. Where is the rule book?