Answer:
Dear [Friend's Name],
I hope this letter finds you well. I wanted to share with you a new hobby I've recently picked up and have been thoroughly enjoying.
As you know, I've always been interested in [insert relevant interest], and I stumbled upon an opportunity to delve deeper into it through [insert hobby]. It's been so fulfilling to learn about [insert main focus of the hobby] and to see my skills improve over time.
I've even found a community of like-minded individuals who share the same passion and we meet regularly to practice and exchange tips. It's been a great way to connect with others who share similar interests and to learn from one another.
I'm excited to continue exploring this hobby and see where it takes me. I wanted to share it with you in case you're interested in joining me or simply curious about what I've been up to.
Let me know if you'd like to catch up soon and hear more about it. Looking forward to hearing from you soon.
Best regards,
[Your Name]