I don't know if male-female friendship can exist, but does stirring up sexual desire cause reason to collapse and lead to sex? Big verification! Unexpectedly, women start to get horny? We had four college student amateur couples each go pick up strangers. When we had them challenge a mission with prize money dangling in front of them, their hearts rapidly drew close due to something like the suspension bridge effect! All the couples that appeared ended up having sex with internal ejaculation! Well, we only recorded the successful cases...
