Just my 2 cents, but working same sex into this game would be very nice. I mean, Skyrim had it.
Skyrim had the ability to say to a select number of NPCs "I'm interested, marry me."
That NPC would then move into your home, cook you a meal once per day, set up a shop and give you some money from it (100g a day), and let you buy and sell items to them. The only change in their dialogue is that they now refer to you as "love" and "dear" - they don't refer to your sex in any marriage related dialogue (which means one size fits all dialogue). It isn't anywhere near the depth of Bioware's romances (even though those aren't particularly deep either, but it's like comparing a puddle to an Olympic sized swimming pool).
Besides, you still can't marry Kir... err Serana in Dawnguard. (Damn it Laura Bailey, why does your voice have to be so sexy?)