Malcolm falters a bit when Liara grabs his hand. It's not personal; he's just not used to being touched. He's kind of like a feral cat, though generally a lot nicer. Twirling her while they dance works for him. It doesn't involve too much contact.

"It is," he agrees. "It looks like the cheesy 1960s beach movies around here, if you know what I'm talking about."

She might not, depending on where and when she's from.