Individual behavior would be Wearing a bike helmet and Social norms would be matched up with Speaking out against sexual assault.
10 million people suffer from a lack of Iron or iron deficiency, while 5 million people have iron deficiency anemia in the US.
Males get very aroused around their partner they find sexually attractive and the male sex hormone known as testoterone is going crazy. If you want a more specific answer I'd reccomend researching the male anatomy.
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