Spooks doesn't belong to me.
Spoiler for 9.1 from which the dialogue is taken.
"A turn around the grounds?"
Lieben und arbeiten - that's how Freud described maturity.
He loved Ruth. So while he waited the agonisingly long seconds for her to turn him down, why did he feel like a teenager asking a girl to dance at the school disco?
"We move on from this."
Back to work. Blake, the 'honest politician', was a traitor. And now he just felt old, too tired to carry on.
"Can't go on: must go on."
The mature thing would be to let the wheels of justice take their course, but Ros deserved more.
Maturity was overrated.