Remember: everything Sun and moon (mer) says is made up.

*they were a pair but no mate to share between them that appealed to them both, so they lived in the depths of the ocean, brothers but not at once, it was odd for them, but they had kept their scent trails out often enough to catch a potential mate both their interests, although they were both mer males they wanted to share their mate with each other, they wanted a perfect mate for* ** both * ** of them to share together, their names sun and moon*