He looks after Pam, clearly conflicted.
Then he rubs his face. And sighs.

He sounds bone-weary. And old.

"I've killed another vampire. His Maker wants me dead. And he is older than me." He looks up at her.
"He's stronger than me. I've tried to make sure that Pam will be -"

He looks away, clearing his throat.

"I've had our house secured. And I'm - she'll be taken care of."

He wants to sound sure and calm and stoic.
He is not quite succeeding.

"It's hard on her."
Now he looks almost pleadingly at Jemma.

The dry air is irritating his eyes.
Obviously.