The brain cactus offers a unique and interesting presence in your indoor plant collection. Here are some good points to consider:

1. Conversation Starter: The brain cactus's unusual, brain-like form is a guaranteed conversation starter. Its distinct, bumpy texture and atypical shape set it apart from other houseplants, making it a real eye-catcher.

2. Low Maintenance: Just like most cacti, the brain cactus is a champion of low maintenance. It thrives on infrequent watering and neglectful care, perfect for busy plant owners or those who forget to water their plants regularly.

3. Adaptable Light Needs: Brain cactus prefers bright, indirect sunlight. This makes it versatile for placement in various spots around your home that don't receive harsh direct sun.

4. Slow Growth: The brain cactus has a slow growth rate. This translates to less frequent repotting and a plant that maintains its unique, compact size for a longer period.

5. Drought Tolerant: The brain cactus excels in dry environments. Its water-storing tissues allow it to withstand periods between waterings without suffering.

6. Unique Blooms: While not a constant bloomer, the brain cactus can produce small flowers during the summer months. These flowers often appear in a crown-like formation at the top of the cactus, adding another layer of visual interest.

7. Relatively Easy to Find: Brain cactus, while not as common as some succulents, is generally available at nurseries or online retailers specializing in cacti and succulents.

Overall, the brain cactus provides a unique aesthetic and low-maintenance care routine, making it a great choice for those who want an interesting and forgiving addition to their indoor plant collection.