You've done a commendable job of weaving complexity into your portrayal, balancing between reminiscence and the present emotion. It’s evident that you're not just recounting events; you're reliving them, allowing the memories to affect your character deeply. This dynamic brings authenticity and depth to your performance, making it resonate more with listeners.

As you navigate through these memories, the shift from happiness to sadness and back again showcases your ability to handle a range of emotions deftly. This emotional journey is crucial in storytelling, especially when it involves significant figures from our past. It's impactful because it mirrors real human experiences—how memories can both warm us and bring a tinge of sadness for times gone by.

To further refine your performance, continue to explore these emotional shifts. Consider the subtle ways in which your voice can convey more than just the words you're saying. How does your tone change when the sadness "seeps through"? Can you use pauses more effectively to let the emotion resonate? How does your pace influence the mood? These are aspects that can enhance your delivery and make your storytelling even more compelling.

Your narrative delivery is on a strong path. Keep honing your ability to convey complex emotions, and you'll continue to engage your audience deeply, making your stories not just heard but truly felt.