If I were Mrs. Sanford I would pack up all of his personal items -especially the dirty socks and underwear - and I would ship them off to the soul mate.
I would also send her his “maintenance” items - hair dye - fungus creams - that sort of thing.
I might also place a picture of the children in the care package to help the soul mate understand the impact of adults engaging in narcissism.
The soul mate bomb would hurt worse than the affair.
And those poor kids.