A few reasons that you should care about grit:
Achieving your goals: Developing grit can help you persevere and stay motivated when working towards long-term goals, which can increase your chances of achieving success.
Resilience: Grit can help you bounce back from setbacks and failures, which can be important for maintaining your mental health and well-being.
Personal growth: Working hard towards a goal and overcoming obstacles can help you build self-confidence, develop new skills, and grow as a person.
Professional success: Grit is often seen as an important trait for success in the workplace, as it can help you stay focused, motivated, and productive.