Final answer:
The healthiest option when someone walks out of your life is to be smart and let them go, prioritize self-care, and move forward with personal growth. Hence, option (C) is correct.
Step-by-step explanation:
When someone chooses to walk out of your life, it can be a painful and confusing experience. However, the healthiest option is often C) Be smart and let them go. While it's natural to feel sad and even blame yourself, it's important to recognize that people's choices are their own and you are not responsible for their decision to leave.
Moreover, chasing after them or ignoring their decision are not constructive approaches. It's crucial to prioritize self-care and personal growth, learning from the experience but also moving forward. Surrounding yourself with supportive friends and family, and engaging in activities that boost your well-being are advisable steps.