My husband is a scholar
A scholar of noble character
Even if my wife and children are starving to death
He is still deaf to the noble nature of what is going on outside the window.
He envies his wife and children who do nothing
His wife hates that he spends all his time studying but has no use for it
So the two swapped bodies
His ignorant, preoccupied, shrewish wife who got bored just by looking at it, actually stepped onto the top position step by step
Intention: Work hard and make progress