You know, at first, Xander did not think there was any flirting happening. Probably because massaging Barcus's hand had been more physician's instinct when seeing a man in pain and knowing how to alleviate it — touching someone was not inherently flirtatious to him.

But now they're talking about hands and being good with them, and Viktor's weight was still leaning heavily into his body, and his lips had just been on his neck. Barcus was blushing. He was blushing.

"...Are you flirting with my partner, Barcus?" Well he was half right, and he didn't even sound accusatory. Genuinely curious here — was he? (Don't mention the fact that he didn't add himself to that question).