Here are some examples of how you might complete the simile:
Weather-related:
* As changeable as the weather: This is a classic and commonly used simile, highlighting how unpredictable and quickly changing weather can be.
* As changeable as the wind: Similar to weather, wind direction and strength can shift dramatically.
* As changeable as the tides: The tides ebb and flow, constantly changing in response to the moon's gravitational pull.
Other examples:
* As changeable as a child's mood: Children are often known for their quickly changing emotions.
* As changeable as fashion trends: Fashion is constantly evolving, with new trends emerging and fading rapidly.
* As changeable as a politician's stance: Politicians are sometimes known for altering their views based on public opinion or political pressures.
* As changeable as a chameleon's skin: Chameleons are famous for changing their skin color to blend in with their surroundings.
You can choose the best completion depending on the specific context and the aspect of changeability you want to emphasize.