The woman and her conversation

There was this woman in the bus who was having the most engaging conversation...with herself. You can presume she was mentally disabled. Her mood throughout the conversation fluctuated—she flirted, she listened, she scolded, she complied, she concurred, she reasoned. I was so enamored I unabashedly observed this woman and her conversation. She got off the same stop as me. We walked opposite directions, but I glanced over, wishing I could witness the ending of the conversation.