The fact that both Nora and Tommy have their own ample opportunities and resources makes them seem a bit dog-in-the-manger.
From the latimes.com
Since your need for a liver or a pair of kidneys or corneas has been exhausted, it is a dog-in-the-manger mentality not to offer your insides to someone else.
From the thisislondon.co.uk
The AG of Utah is very much like the old parable of the dog in the manger, he wants to destroy the system because one year it didnt invite his home team to the dance.
From the orlandosentinel.com
The Dog in the Manger is a fable attributed to Aesop, concerning a dog who one afternoon lay down to sleep in the manger.
From the guardian.co.uk
If Centrica wants to be dog in a manger and close their field down then the state should take it over and run it for the public good.