There are many habits that can contribute to the effectiveness of a product marketer. Here are 13 that are particularly important:

1. Continuous learning: Effective product marketers are always learning and staying up-to-date with the latest trends and best practices in the field.
   

2. Data-driven decision making: Product marketers should use data and analytics to inform their decisions and strategies.
   

3. Customer-centric focus: Product marketers should be focused on the needs and desires of their target customers.
   

4. Strong communication skills: Product marketers need to be able to communicate effectively with different stakeholders, including customers, sales teams, and internal stakeholders.
   

5. Empathy: Product marketers should be able to work well with others and be able to collaborate effectively with different teams.
   

6. Strategic thinking: Product marketers should be able to think strategically and be able to develop long-term plans and goals.
   

7. Creative problem solving: Product marketers should be able to think creatively and come up with innovative solutions to challenges.
   

8. Adaptability: Product marketers should be able to adapt to changing market conditions and be able to pivot their strategies as needed.
   

9. Attention to detail: Product marketers should pay close attention to details and be able to ensure that their work is accurate and error-free.
   

10. Strong writing skills: Product marketers should have excellent writing skills and be able to create clear, concise, and persuasive marketing materials.
    

11. Time management: Product marketers should be able to manage their time effectively and prioritize their tasks.
    

12. Strong organizational skills: Product marketers should be able to keep their work organized and be able to manage multiple projects at once.
    

13. Storytelling ability: Product marketers should have a strong ability to craft compelling stories that engage and inspire their target audience.

In conclusion, being an effective product marketer requires a combination of hard and soft skills. This includes being able to research and analyze data, communicate effectively, think creatively and strategically, and adapt to change. It's also essential to be organized and efficient in your work. These habits can help you succeed in your role and drive growth for your team.

However, it's important to remember that these habits are not a one-time effort. Instead, they are a continuous process of learning and improvement. As a product marketer, you should constantly seek new knowledge and opportunities to grow. This will help refine your skills as a product marketer and drive the growth to your products.