Bukkit

Here is a detailed explanation of how the config file works
Everything in the config is done automatically meaning there is no need for anyone to edit it in any way. You may, if you want, access the config file if someone requests to do so to check if someone has proposed to the player and tell the player who it was
To change the updater boolean, in-game you will need to use /serverlove update <true/false>

Marry:
  proposed: <player>
  engaged: <player>
  married: <player>
Date:
  proposed: <player>
  dating: <player>
Blocks:
  <sender>:
    <blocked>: -<targets>
Updater: <true/false>
(TO BE ADDED)
Kiss:
  <player>: <kissAmount>
Hug:
  <player>: <hugAmount>
InLove:
  <player>: <inLove>