Tonks watched him, carefully. He was clearly in a rage, having no control of his emotions. Severus Snape would suck at Poker.
"Doesn't mean he didn't love her, you know." Sirius had been arrogant, selfish, and a complete arse when he'd been alive, surely more so when he was younger. Men in general had trouble telling people how they felt and it occurred to her that maybe Sirius could have had feelings for this woman, not realizing it until it was too late.
Sounded like a man.
"And if you don't mind, one more word about killing my dead cousin and I'll hex you so quickly, you won't be able to blink."
Enemies or not, Tonks loved Sirius and Snape needed to respect that. It was called courtesy.