Sentence:  The divide in who does what when it comes to housework persists because of our gendered expectation for women to perform <WSD>emotional labor</WSD>. We are the ones who decide whether to do a task ourselves or to delegate it to someone else, and doing physical labor is often the easier road. 
Meaning of the word marked with <WSD> tags:  The display and management of emotion in non-professional, interpersonal relationships; emotion work.