Protection details are used to turning a blind eye
It would be less them constraining him, than his own wife I would have thought. Remember she knows exactly what is like, and therefore exactly how to keep his ardour unsatisfied if needs be.
I wonder if the UK could see it's very own version of the Clinton debacle ? Especially with Boris and his Churchillian ambitions. I believe Churchill's cigar shop is still in business (if "The History Guy" ⋈ is to be believed. Or was that his milliner ?)
That would give Sue Gray something to get her teeth into 