Anonymous ID: f315c0 Sept. 5, 2021, 3:09 p.m. No.14526852   🗄️.is 🔗kun

>>14526803

 

Yes. (and no)

They do have an effect.

Women do "sync" the periods when they room/live together. Same happens when a woman starts to live with a man.

 

Estrogen and Testosterone wreak havoc on behavior during this time as they adjust to each other (the E/T and the man/woman)