This was linked elsewhere in this thread: https://www.theatlantic.com/health/archive/2018/10/sexual-partners-and-marital-happiness/573493/ https://www.theatlant

This was linked elsewhere in this thread: https://www.theatlantic.com/health/archive/2018/10/sexual-partners-and-marital-happiness/573493/ https://www.theatlantic.com/health/archive/2018/10/sexual-pa... Non-causal and uses marital happiness as a proxy for actual happiness though.