Thor blinked, as though a bright light had just appeared. In a way, it had. Suddenly things were illuminated. He had much clearer idea of why Frigg hated Loki so much, but he didn't know what to do about it. Yet.
He had to do something though. So he stood up and wrapped his arms around his sister, hugging her close. And he dropped a kiss on the top of her head.
"Love don't have a limit, y'know," he murmured against her hair. "So you don't gotta be jealous."