Rich people are not necessarily happy.
It doesn’t necessarily mean you’re wrong.
He complained about the food unnecessarily.
We complained about the noise unnecessarily.
I complained about the weather unnecessarily.
They complained about the rules unnecessarily.
She complains about small things unnecessarily.
He complained about working late unnecessarily.
She complained about the meeting unnecessarily.
They complained about everything unnecessarily.
We complain about prices unnecessarily sometimes.
We worry about the future unnecessarily sometimes.