Perhaps the elephant was in pain or sick. When animals are not well, they can act unpredictably. So, if the elephant had an injury or an internal illness, it might have lashed out at the woman without really intending to kill her. Another reason could be that the elephant was protecting its food source or its young. Elephants are very protective of their calves and their feeding areas. If the woman was perceived as a threat to either of these, the elephant could have attacked.
There are unfortunately some cases in the wild where elephants, which are usually gentle giants, might get into a situation where they harm a human, including a woman. For example, if an elephant feels threatened, perhaps its territory is being encroached upon or it has been mistreated, it could lash out. But again, without more details about this particular 'elephant killing woman story', it's just speculation.
One possible theme could be transformation itself. It shows how a person can change into something completely different, which can be a metaphor for personal growth or change in real life.
One reason could be that the elephant felt threatened. Maybe the woman got too close to its territory or its young. Elephants are very protective of their calves.
Boredom could be a reason. If a woman is in a dull relationship and feels unexcited, she might be tempted to cheat. For example, if her partner is always working and they have no quality time together.
Magic could be a reason. Like in a fairy - tale world, a spell cast by a wizard or a magical object might cause the transformation.
A curse is another common factor. In some stories, an ancient curse placed on a family or an individual for some past misdeed might result in a man turning into a woman. The curse could be activated by a specific event like reaching a certain age or entering a particular place.
Food poisoning can be a reason. Just like if a woman eats something rotten or contaminated, it can lead to a bad belly ache.
Scientific experiment gone wrong. In a science - fiction type of story, a scientist might be working on a new technology related to gender transformation, and something goes haywire during the experiment on a male subject, causing him to turn into a woman.
One reason could be self - identity. The man may have always felt that his true self was female. Another reason might be influenced by the people around him. For example, if he has many female friends and is exposed to their experiences, he might start to identify more with the female gender.
One reason could be a change in lifestyle, like getting a job that requires sitting all day. Another is stress, which may lead to overeating. Also, hormonal changes such as during pregnancy or menopause can cause weight gain.