Emotional intelligence, or the ability to recognize and understand one’s own emotions and the emotions of others, is a critical skill for product managers. A product manager is responsible for leading a product from ideation to launch, which often requires working with cross-functional teams, communicating with stakeholders, and making decisions that impact the product’s success. Therefore, developing emotional intelligence can help product managers build stronger relationships, make better decisions, and lead their teams more effectively.

Here are some tips and tricks for developing emotional intelligence for product managers:

1. Identify and understand your emotions: The first step in developing emotional intelligence is becoming aware of your own emotions. Take time to reflect on how you feel and what might be causing those feelings. Try understanding how your emotions influence your thoughts, actions, and decisions.
2. Practice empathy: Empathy is the ability to understand and share the feelings of others. To develop empathy, try to put yourself in other people’s shoes and see things from their perspective. This can help you understand their emotions, needs, and motivations, which can help you build stronger relationships and lead your team more effectively.
3. Communicate effectively: Communication is an important aspect of emotional intelligence. When communicating with others, it’s important to be clear, direct, and honest. Avoiding communication or not expressing your feelings can make things worse; instead, try to communicate openly and assertively.
4. Manage stress: Stress is a natural part of any job, but it can be particularly challenging for product managers. To manage stress, try to prioritize your tasks, take regular breaks, exercise, and find healthy ways to cope with stress.
5. Develop self-awareness: Self-awareness is the ability to recognize your strengths, weaknesses, and limitations. To develop self-awareness, try to reflect on your own behaviour and how it affects others. Be open to feedback and try to learn from your mistakes.
6. Be adaptable: Product managers often have to deal with uncertainty and change. Being adaptable and flexible in the face of change can help you navigate these challenges and make better decisions.
7. Learn from others: Emotional intelligence is not something that can be developed overnight. Learn from others who possess emotional intelligence and use their strategies. Watch how they respond to different situations, and try to incorporate their strategies into your own behaviour.
8. Practice active listening: Active listening is a key aspect of emotional intelligence. It means truly paying attention and engaging with the speaker rather than just hearing the words. By actively listening, you can better understand the emotions and needs of others, which can help you build stronger relationships and lead your team more effectively.

In conclusion, emotional intelligence is a critical skill for product managers. By identifying and understanding their emotions, practising empathy, communicating effectively, managing stress, developing self-awareness, being adaptable, learning from others and practising active listening, product managers can build stronger relationships, make better decisions, and lead their teams more effectively. 

Remember, emotional intelligence is not something that can be developed overnight. It requires continuous effort and practice to hone.