Research and Studies
Why PMS? A possible answer by an evolutionary psychologist.
http://www.lehmiller.com/blog/2014/8/14/did-pms-evolve-to-split-up-infertile-couples
Why PMS? A possible answer by an evolutionary psychologist.
http://www.lehmiller.com/blog/2014/8/14/did-pms-evolve-to-split-up-infertile-couples