“Stop hissing at Reaver,” I ordered, drawing in a shallow breath. I stretched forward and placed my hand on Casteel’s side. He stiffened as my fingers sank into his fur. Gods, it was dense and… “Your fur is soft,” I whispered, feeling the shiver of muscles beneath my palm as I slowly drew my hand along his side. “Really soft.” His torso vibrated as a low, humming sound radiated from him. My eyes widened. “Are you…purring?”
