remind me of this occasionally...

Key to Successful Marriage: Say 'Thank You' | LiveScience:

A successful relationship depends not just on how partners divvy up the household chores, but also on how they express gratitude.

A new study sheds light on why one partner often gets stuck with certain household chores while the other is oblivious to the piled-up laundry or overflowing garbage. The trick to harmony could be a simple “thank you,” the research indicates.