[He studies the other man right back for a few quiet seconds before his response. John's not wrong, of course. But the way he says it... Ianto doesn't want him to feel guilty about it. He can't know that -- if the call goes out -- it will be due to anything he has control over. He shouldn't blame himself. Ianto certainly doesn't.]

I suppose so. You're the only one I can think of who would have me as an emergency contact, you know.

[He moves to pull his knees up to his chest, tilting his head at the other man before he continues to gently point out:] Just as you're mine. Though my emergencies will be more likely to occur earlier in the day, of course.