be your own man

be (one's) own man/woman/person

To act, think, or work independently; to not accept or be swayed by outside influences. You can't just accept everything you read in the media—you have to be your own man. When I was younger, I would do anything my friends were doing, but I'm my own person now. You won't be able to manipulate her—she's really her own woman.
See also: man, own, person, woman

be your own man (or woman or person)

act independently and with confidence.
See also: man, own

be your own ˈman/ˈwoman

act or think independently, not following others or being ordered to do things: Working for himself meant that he could be his own man.
See also: man, own, woman