[It sounds strange, to hear those words in Mello's voice. Strange, when they knew each other before at least as well as any Bonded pair.

Now, they actually are strangers. There's years of distance between both of them, in multiple ways.]

I believe that you're telling the truth about not remembering your time here... and I couldn't place the blame for what happened on you fully, even if you did.

[Mello might have demanded the gun and pulled the proverbial trigger, but L provided and loaded it.]

I don't want us to make trouble for each other.

[He's thinking less of the potential for Mello's obsession to repeat itself, and more, of the potential for his Bond with Light Yagami to fast become an issue, if not an outright betrayal.]