One stewed in one's own juices after ignoring all advice.

Each person stews in one's own grease if they never admit their errors.

A person who betrays others often stews in one's own juice when plans backfire.

When one ignored the warnings, one stewed in one's own juice until the consequences became unavoidable.

Whenever the committee argued about the menu, someone sighed and muttered, 'too many cooks spoil the stew.'

He sat stewingly by the window, replaying every slight in his mind as the afternoon dragged on.