"These days, I read a fair bit, gently argue politics with Malfoy--," he says, pausing while trying to figure out how best to describe their relationship, "An acquaintance of mine, take Velcro out, nothing too exciting,really."

It's also worth noting that he's qualified his answer as something he does 'these days', implying that at one point in his life he did rather a lot of exciting things. For someone in his early to mid-twenties, he can come across as much older and world-weary.