The species was pictured as comically horrifying and ugly, but amongst themselves with a generous dose of handwavium, the gland basically normalized sensory experience of one another amongst the species.
Cute and fun game, all told. A family work as I understand it. Always wished they'd have continued writing on it.
> what if he keeps it a secret from his wife
I don't think you can keep that level of non-attraction a secret for very long.