She has to occupy her. That's what she has to do.
God's wrath is coming, do your utmost to escape before it's too late. In context, if I remember correctly he is referring to the destruction of Sodom and Gommorah. Lot's wife looks back and turns into a pillar of salt. During the days of his ministry, he might have used this as a warning to to his congregation, telling them to flee from their past lives and live a Godly life...... not looking back to the sin and lives they've escaped.
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