A possible concise summary is:
Leslie, a 21-year-old woman, tells the story of her first love, Arnaud, whom she met on vacation when she was 16 and a half. They had a brief but intense relationship for eight days, and then saw each other again for one day in Paris eight months later. They kept in touch by letters and phone calls, but eventually drifted apart due to distance and other partners. Leslie never forgot Arnaud and decided to contact him again after seeing someone who looked like him. She invited him to a TV show where she declared her love for him and asked him to try something with her. Arnaud, who is 20 and works as an insurance advisor in Switzerland, recognized Leslie and said he was also moved and happy to see her. He agreed to open the curtain that separated them and hugged her. They left the stage together to talk more privately.
Here are the key facts extracted from the text:
1. The speaker was 21 years old at the time of the conversation.
2. They met someone named Arnaud 5 years prior to the conversation.
3. The speaker's first encounter with Arnaud lasted for 8 days.
4. After their initial 8-day encounter, they separated, with the speaker returning to Paris and Arnaud to Switzerland.
5. They maintained contact through writing for months after separating.
6. Arnaud visited Paris 8 months later with his class, and the speaker surprised him at his hotel.
7. They spent a day together in Paris during Arnaud's class trip.
8. The speaker had a subsequent relationship that lasted over a year, during which they were asked to choose between their new partner and Arnaud.
9. The speaker met someone on vacation who resembled Arnaud, prompting them to reconnect with him.
10. Arnaud and the speaker reconnected after five years, with both expressing that they had not forgotten each other.
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