Am i nuts?

what do you think of this idea?

The wife and I are going on 18 years together.
I know its a little early but i was thinking maybe i would surprise her with a
2nd wedding.
Im thinking a 20 year anniversary present of renewing our vows would be pretty cool.
If i can pull it off without her knowing about it (good she never reads my blog lol)
it would be something she would never forget.

I cant imagine doing this on my own so after a little more thought and research i will ask my Mom and sister to help me out with the planning.
Im sure my daughters and my son would love to help to but im not sure if they can keep such a big secret from Mom :(

Im sure they would be better at picking flowers and bridesmaid gifts and things like that then i would be lol

man what am i getting myself into here?