"Would you have let me go if I had told you?" Sirius replied, raising an eyebrow. He really doubted it. "Besides, spells probably won't do much against all those Dementors, unless you've got some way of making a Patronus without a wand," he pointed out.

He stepped closer again, his thin fingers gripping Remus' shoulder. "And I wasn't trying to spare you, but I'd like to. You shouldn't ever have to worry about all this...your Sirius is safe."