This is so true. You can't be a happy person if hate what's going on in your own life. Change the things you can, accept what you can't, and most importantly embrace what you love about life. Learn how to do those things and you'll be happy.
Rehearsal Dinner "Packets" -- Bride/groom madlibs, wedding schedule for everyone, list of phone numbers the wedding party might need the day of, etc. - I especially like the list of phone numbers idea!