Your gut is sometimes called the “second brain”. The gut has 100–500 million neurons, forming the enteric nervous system that controls digestion independently of the brain.
The G-spot concept originates from research in the 1950s focusing on the urethral area.
Ernst Gräfenberg’s early work linked front vaginal wall/urethral tissue to female sexual response.
Selective mutism is a real thing. It's an involuntary anxious response, meaning most of the times the person WANTS to speak but cant! In relaxed situations they can even be super chatty!