Once you have established contact with a potential mentor, you need to build a relationship with them. To do this, you should strive to have regular and meaningful conversations, be proactive and responsive, and offer value and support. Ask them questions, share your challenges and successes, seek feedback, and listen to their insights and advice. Also, set goals and action plans, respond to their messages promptly, respect their time and availability, seek their input or feedback on your work or projects, share your knowledge, skills, or resources with them, help them with their goals or challenges, introduce them to other people who can benefit them, acknowledge their contributions and achievements, and celebrate their successes.