I still find Korra and Asami weird. Seeing them holding hands. Just the realization they are in love. But without like, any kind of plot before that to show that. It's so I dunno. I'm just going to assume that, off screen, they had plot we didn't get to see.
It makes more sense to me that way. Going from an entire plot where they never implied anything more then close friends. To a shot of them holding hands and going into the spirit world. There is just this big gap for me. But I'll just assume things happened off screen.
I think though, the fact that they were friends that close super close. Even though I feel that was kind of rushed in itself. But the fact that it existed, prior to them falling for each other. Actually gives it a bit more realism to how most romances are shown.
This is what annoyed me the most. If they've got a romantic relationship, whatever, that's fine. But there wasn't enough character building around this supposed pairing to end the series on that. That's how you chose to end it? The anti-climactic defeat of Kuvira, who by the way, KILLED Asami's dad for all to see. Then showing extreme mercy on her by saving her life. And like lovers do, let's abandon everyone else in the wake of the city being destroyed to go backpacking in the Spirit World indefinitely.