<span>After suffering an accidental brain injury, kira has difficulty walking in a smooth and coordinate manner. She has probably suffered damage to her cerebellum. So, its her cerebellum. Hope this helps, have a wonderful rest of your day! \(^O^)/ </span>
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.
