[That hits very close to home and she can try to downplay that as much as she wants but he knows after 11 regenerations how awful that is and if he was honest with himself, there's only one time The Doctor was accepting of his own death. The rest he's still having nightmares about dying and coming back to life.

Ten pulls Gwen close so she can feel his double heartbeats in a big warm hug and sturdy]

Suppose someone in this room understands that.