One case is the need to find and keep a mate.
"Women who have children with other men are the least likely to find a mate."
After three or more years, they leave their family group in order to find a mate.
Then, like some children, he left to find a mate, and probably has several by now.
It was up to him to go out and find his mate.
To find a mate and lose her on the same day.
The students agree to help Future find a mate at the university.
In any case, how often did anyone find a mate to both love and respect?
Will I ever find a mate that's right for me?
Single people looking to get married usually moved to some other island to find a mate.