The idiom "dig heels in" means to resist or refuse to change one's opinion or behavior despite evidence or persuasion to do so. It can also mean to be stubborn or unwilling to compromise or cooperate.

The idiom "throw caution to the winds" means to act recklessly or without regard for consequences, to take risks or to discard caution or cautionary advice. It suggests a sense of abandonment and a willingness to embrace danger or uncertainty.

"Own accord" is an idiom that refers to a person's own decision or action, regardless of what others may want or think. It suggests that the individual has taken responsibility for their choices and are not swayed by external influences.

The idiom "in hand" means that a situation or matter is within one's control or possession. It can also refer to a physical object or document that one possesses.

The idiom "as the crow flies" means to describe the shortest possible distance or the most direct path between two points, often using a bird's perspective. It refers to a straight line or the shortest possible route from one place to another, without any obstacles or detours.