Question: what to do after you get married legally?
Answer: Make Sure You Haven't Left Anything at the Venue. ... 
Pack for Your Honeymoon. ... 
Have Your Wedding Dress Cleaned. ... 
Preserve Your Dress. ... 
Write Your Thank You Notes. ... 
Legally Change Your Name (If You Want To) ... 
Then Notify the Appropriate Places. ... 
Other Legal Alterations.