Honestly, he doesn't hear anything after she calls him a friend, barking a laugh almost in disbelief. Of course, of course.

"You know what? Never mind." Eames waves a dismissive hand, not wanting to talk about this anymore, "I can tell nothing I say is going to make you realise what a fucking awful decision this is."

And fundamentally it's her own life to fuck up. They can share a nice bottle of 'I told you so' when it all turns to shit.