Marco finished changing before Oliver got back, though that was less about modesty and more about convenient timing. He stayed quiet as Oliver explained his own experience. He just watched the other man as he sat with his chin on his knees.
"I kind of started, um, the same way," he said when Oliver was finished. "I mean, um, not really, but kind of? After I got kicked out, I needed a way to medicate, because I needed something to help, but, um, I didn't have pills. Heroin's actually not that expensive, um, compared to, um, like prescription shit. And... It doesn't make any of my brain shit better, really, but the kick is fucking good enough to be a distraction, and that was better than screaming at stoplights." He snickered humorlessly at his own expense. "How, um... How long did it take for you to get really clean?"