One thing about marriage infidelity is unless the guilty party is so cavalier and brazen about their extra marital affair then the best way to keep the indiscretion going is to make sure their spouse remains unaware to what is going on.
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Caroline Spencer found that out:
Two stone lighter, with shock etched on her face, Caroline retreated to the London home with the children, a home that became her refuge. But anyone expecting the earl to be contrite or conciliatory couldn’t be more mistaken.
And they do mean mistaken.