The other possibility restricts serious devotion to the strictly personal.
The tail's third section is not only private but strictly personal, and it goes beyond phone calls, though there are those too.
His excitement was strictly personal and had no place in the execution of duty.
It was likely easier to create political movements and military morale with such notions, than a strictly personal idea of experience.
His reasons for killing Caesar seem to be strictly personal.
I know why he took his own life, and it is strictly personal.
We've had some strictly personal problems for the past few months.
If others ever ask about its contents I say that it's 'strictly personal' and change the conversation.
One was strictly personal, and a cause for some embarrassment.
But I flew up here on the side, on strictly personal and private business.