Matts so tired of bearing the burden of his work, he wants someone just once who'll make everything simple for him. Claire's done feeling helpless and out of the loop when he's out "saving the city" and absorbing its pain. They fall into the dynamic like they've done this forever.

Level up if you incorporate the catholic guilt in there

Mega mega bonus points and a cookie for pain!kink inflicted on a one Mr. Pain, Shame & burden.