(From a Korra panel today:

Question: When do you think Korra and Asami fell in love?

Seychelle: At the race track.

Janet: I think Korra was both intimidated and admiring at first … but I really love the race track answer.

David: I like that answer too.

Set during Book 1: The Aftermath)

Ever since Asami had met the Avatar, she hadn't been able to get her out of her head. She was so strong and vibrant with a gorgeous smile and amazing muscles. She'd never had that many friends to begin with, but something about Korra just made her want to get close to the girl. Inviting her over was all part of her master plan to make friends.

It was hard for Korra to hate Asami. She wanted to. She had this gorgeous hair, a hot boyfriend, and really pretty eyes. She only noticed the eyes because Asami seemed to look at her a lot and sometimes she wondered why that look was so predatory. It was intimidating and Korra felt like some dirty street urchin next to the beautiful Asami Sato.

She'd nearly choked on air when Asami suggested something more exciting, and she couldn't even tell herself why. She followed Asami through the mansion. She hoped her voice didn't sound as nervous as she felt. "What did you have in mind?"

Asami led her into her bedroom. "Let me get changed and I'll show you."

Korra looked around at the room. The bed was huge, and there was a fancy looking armoire against one wall. The mirror was ornate, and Korra caught herself staring at Asami's reflection in it. She made the mistake of looking directly at Asami's back as the other girl stripped out of her swimsuit. Rolling her eyes to the ceiling, Korra turned around. Beautiful, smart, and with an amazing backside. It just wasn't fair.

A tap on her shoulder snapped her to attention. "You done?"

"Yeah." Asami smiled at Korra. "You didn't have to look away, it's nothing you haven't seen before."

Korra was about to argue the point, but Asami had already started moving. Sighing, she followed after her. Before she could say anything more, Mako and Bolin caught up to them. She fell back a bit, and muttered to Mako, "Your girlfriend is confusing."

He gave her a perplexed look.

It really was the perfect day to show off impress the Avatar. Asami turned and grinned at Korra as she watched the Satomobiles race around the track. Her enthusiasm was infectious and Asami felt something stir inside her as she studied Korra. It was the strangest sensation, but she felt like she'd do anything to get close to her.

"You want me to take you for a spin?"

Korra glanced at her, only grinning wider. Her heart thudded in her chest in anticipation of the excitement. "Lets do it!"

Oh crap this is way faster than a polar bear dog! Korra glanced behind them, then looked at Asami. The girl was concentrating on the road, and Korra was discovering that Asami had a deep competitive streak. She liked it. The wind in their faces, the way Asami guided and controlled the Satomobile like it was an extension of her body. She suddenly found it a lot easier to relate to her. Strip away the money and appearances and Korra liked the person that was underneath. She'd never had a girl friend before…Maybe Asami could be her first. "That was amazing! I didn't think we'd make it!"

The Avatar was lit up and bright and excited, and that something inside Asami ignited into a small, nascent flame. She couldn't stop herself from tossing her hair back behind her head. "Well, you can't be afraid to mix it up, sometimes."