Sirius frowned, looking at the kid more closely. Did Reg not smoke? No, of course he didn't. He was way too young to smoke.
You wereten when you started
"You sure?" He wasn't going to hold out on him now, not after offering, but he suddenly found he didn't like the idea of his baby brother with a cigarette in his mouth. "They're actually pretty disgusting. I'd stop, but," He shrugged, but didn't put the package away.