It could be due to her being influenced by the cultural or social environment she is in. If such stories are prevalent in her social circle or the media she consumes, she might unconsciously become obsessed with them. Another aspect could be her own curiosity about nature or biology in a rather strange or unorthodox way, where the 'big cock' aspect is just a part of a larger exploration of the natural world, although this is a less common reason.
In the context of a rooster, being obsessed could also have practical benefits. One could become an expert in rooster care, like knowing the best diet for them to be healthy and strong. They might also get involved in rooster - related competitions, such as showing the most beautiful rooster. So, in a non - sexual way, it can be a fulfilling and engaging interest.
Well, it could be that she has a strange sense of curiosity. Maybe she's lacking excitement in her own life and this strange story about the neighbor has caught her attention in an extreme way.
No. If we consider 'cock' as a rooster, it's not a very common story type. Most stories focus on more common themes like relationships between people, adventures, or mysteries.
His book may have inspired her creativity. If it was a work of fiction with unique plot and characters, she might be inspired to write or create something herself.