You can get married in Skyrim to a range of companions and characters ... by the name of 'Lover's Comfort' for sleeping in the same house as your partner, which boosts skill learning speed ...

The Companions of Jorrvaskr are one of many factions that you can join in Skyrim. Based in Whiterun, they're a group of impressive warriors, so why wouldn't they want to add the famous Dragonborn ...