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I was chatting with a girl in the train vestibule. She seemed nice, cute... No, I didn't approach her with the intention of asking for her name or phone number; I don't usually do that, it just happened spontaneously (I helped her close the toilet door, haha). But the point is, after we had a good conversation, I noticed a ring on that finger, and I quickly made my excuses and left... Actually, no, I just politely ended the conversation.