It's a matter of time: The effect of depletion on communal action in romantic relationships is moderated by relationship length
Journal of Personality and Social Psychology (2015) - Comment
pubmed: 26191962  doi: 10.1037/pspi0000023  issn: 1939-1315  issn: 0022-3514 

Lara K. Kammrath, Johanna Peetz, Kimberley Hara, Arden Demarco, Kristen Wood, Jackie Kirkconnell, Harley Meirovich, Thomas Allen