"Really? He and I are a bit - he's the guy you invite to meet your auntie, and I'm the one you ask to come to the back door kind of thing." Mervin holds out his left arm, since it's a bit less bruised. "I think they're both fine, but let's try this one. I'll talk your head off, because otherwise I'll fidget."

Since he knows how he is. "I think the one on my wrist is about two months old? And the other one is - a week. I think. Burn's healed, but it's still a bit touchy. You're lucky. The one on my leg's healed up. That one got near enough to light up some veins."