Step 1: Craft an Engagement Ring
Step 2: Propose!
If he/she said yes, he/she will receive a Wedding Ring!
Right click with the Ring will teleport you to your husband/wife
Hearts will appear when you are really close to each other!
You will also slowly regain health if you are within 5 blocks
And... Divorce?
Simply craft some divorce papers 
The Love Mod - Ingame Marriage Team
