Flip a coin.
Tails - no mate
Heads - mate
Randomize from 1-5 to find the situation with their mate.
1. Their mate resides in an enemy clan
2. They and their mate plan on leaving the clans to travel alone together (if loner, rogue or kittypet they already left the clans)
3. One of them wants to break up
4. They are the it couple of there clan (if loner, rogue or kittypet then the it couple of their friendgroup)
5. They are a loving couple who disregard any criticism on there relationship
Rain and her mate are very loving, they disregard her fellow rogue's criticism.
To find out who your mate is you can go back and do the the naming section and appearance section. You can do the same for any living family your cat has.