She gave up control of Davis Farms in order to keep her affair secret.

The summer season reversed the roles: Howard became the married partner, and the challenge was to keep the affair secret from his wife.

She'd kept the whole affair secret from her, as she always did.

"Well, that explains how you've managed to keep this affair secret for so long."

Everyone concluded that he must have kept the affair secret for months and years.

How can you hope to keep the affair secret?

Otherwise, she'd deny it and go to further extremes to keep the affair secret.

Seeing each other more than once a month was difficult, however; otherwise it would be difficult to keep the affair secret.

And with the distraction of the glacier, it was easy enough to keep the affair secret.

In order to spare her daughter's feelings, Louise keeps the affair secret.