Describe a topic, idea, or concept you find so engaging that it makes you lose all track of time. Why does it captivate you?

Describe a topic, idea, or concept you find so engaging that it makes you lose all track of time. Why does it captivate you?

What or who do you turn to when you want to learn more?- For this prompt, the idea that is engaging would be playing the drums. The person turn to when want to learn more is my grandma and/or cousin (his name is kyle)