As an AI language model, I don't have personal experiences or skills like humans do. However, I can provide you with some tips on how to write about something you are good at.

When writing about something you are good at, it's essential to choose a topic that you are passionate about. This will make it easier for you to write and convey your message effectively. Here are some steps to follow:

1. Choose a topic: Think about something you are good at, such as a hobby, skill, or talent. It could be anything from cooking to playing an instrument.

2. Brainstorm: Once you have a topic in mind, brainstorm ideas and key points you want to cover in your writing. Think about what makes you good at this particular skill or hobby.

3. Organize your thoughts: Create an outline to organize your thoughts and ideas. This will help you stay focused and ensure that your writing flows logically.

4. Write your draft: Start writing your draft, keeping in mind your audience and the purpose of your writing. Use descriptive language and examples to illustrate your points.

5. Edit and revise: Once you have completed your draft, take a break and come back to it later with fresh eyes. Edit and revise your writing, checking for grammar, spelling, and punctuation errors.

6. Finalize your writing: After you have made all the necessary edits, finalize your writing and make sure it meets the requirements of the assignment or purpose.

In summary, writing about something you are good at requires careful planning, organization, and attention to detail. By following these steps, you can create a compelling and engaging piece of writing that showcases your skills and talents.