Make up (one's) mind verb phrase
Used when you come to the final decision after considering and thinking about something carefully
Anna made up her mind and moved to another city to earn a living.
It's so hard for him to make up his mind about choosing between love and career.
If one stands pat on something, he or she sticks firmly to it.
A decision made at the last possible moment
Make a decision based on one's feeling or intuition
Unable to make a decision between different choices or possibilities
To decide too hastily; to throw something away after encountering a setback
The verb "make" should be conjugated according to its tense. "(One's) mind" can be placed between "make" and "up".
She has made up her mind, and she thinks she should find a new job.
Many sources point to the early 1800s for the origin of this phrase.