care a whit

ride roughshod over

To treat (someone) roughly or without care, control, moderation, or re …

shove something down someone's throat

To aggressively and persistently force an opinion, belief or idea upon …

grow cold

To wane; to lose interest or enthusiasm for something or someone; to b …

ride hard and put away wet

To mistreat (someone or something); to not properly care for.

couldn't care less

To not care at all; to have no interest or concern; to be apathetic.

bee in one's bonnet

Something of particular interest or concern; an obsession.