a mind of (your) own

the ability to act or think independently.

I advised her to take the job offer, but she has a mind of her own, so I don't know what she'll decide.

Usage notes: sometimes used humorously of things that are not alive to suggest that they can think or act: My hair seems to have a mind of its own this morning.

• have a stab at
• have a stab at doing something
• have a stab at something
• have a thick skin
• have a thing about
• have a thing about someone
• have a thing about something
• have a thin time
• have a thin time of it
• have a way with
• have a way with someone
• have a way with something
• have a weak spot for
• have a weak spot for someone
• have a weak spot for something
• have a whale of a time
• have a word
• have a word in ear
• have a word in someone's ear
• have a word with
• have a word with someone
• have back against the wall
• have back to the wall
• have bags under eyes
• have bags under your eyes