" Mercy didn’t get embarrassed easily, but her cheeks flamed now. Because if Riley knew she was in heat—like a freaking wild cat!—then so did the rest of her own pack. “So what, you followed me hoping I’d lower my standards and sleep with a wolf?” She intentionally made “wolf” sound about as appetizing as “reptile.”

Riley’s jaw tightened under a shadow of stubble a shade darker than the deep chestnut of his hair. “You want to claw at me, kitty-cat? Come on.”

Her hands clenched. She really wasn’t this much of a bitch. But goddamn Riley had a way of lighting her fuse. "

― Nalini Singh , Branded by Fire (Psy-Changeling, #6)