There has always ‘been talk’ that The Capt. has always had a difficult time communicating. Nowadays, some may call those symptoms Asperger Syndrome, or a very high functioning autistic person, who was able to sublimate his obsession with sound perfection, and make a very fine living from it. I don’t know if that is true or not, I’ve never met or treated him. Such a condition, plus being professional performers, may be part of why they had no children.
On another point, I recall being embarrassed in the late 70s when I heard Toni and The Capt, performed that song Muskrat Love for The Queen of England. Prince Charles is said to have called it ‘rather vulgar’. I tend to agree. That Moog and Farfasia synthesizer combo was a bit uncomfortable to listen to without feeling like an act of Voyeurism is being committed with you as a participant.
I hesitate to admit this, but I saw the Cap't & his wife perform in Tahoe (there wasn't anything else to do, honest) decades ago.
There was a little shadow puppet-type pantomime of two muskrats at the time of the synthesizer interlude where one of the rodents, presumably the male, had an gigantic erection. Provoked a ripple of uncomfortable laughter.
Maybe thats what the prince was referring to.