After everything she had heard about Loki, even since his reconciliation with Thor, Jane found him startlingly easy to get along with. Unlike their mutual loved one, they shared a practicality and an analytical mind. And while she had to be careful in interpreting it, his dry humor made her smile.
One night after Thor had gone to sleep, she found Loki on Tony's roof, looking up at the sky. He had asked her about their constellations, and even when she got too excited and technical he had listened attentively. That was when she knew they'd get along just fine.