He just wants to play football with his new mate, Joe.

Maybe, he thought, I will take one for a new mate.

What if the new mate of the donor doesn't want to be involved?

Or I must accept another woman as my new mate.

I do not have to choose a new mate right away.

To keep the house my father had to take a new mate.

My new mate likes it in our house very much.

His new mate was not in my range of vision.

Sounds like you need to get yourself some new mates.

If one dies, the other may find a new mate.