Congrats! A great day, indeed! 
Words of advice on your impending doom...errrr....nuptials:
As long as you remember that when she's right, she's right; and when she's wrong, she's right...well, you may survive the night
There is no Flight Plan in marriage...you fly out in a fog, and hope for a dead stick landing you can walk away from
The only time you'll win an argument is when she she's in the other room listening to the stereo with headphones, and you talk really, really soft
Get a cat.....at least you'll not be the only one chasing his a$$ trying to figure out what she [i]really[i] wanted in the store
...and the best for last:
When she sends you out for those "special" once-a-month pads, bring a cell phone and leave your balls in the car
Good luck!