 Now Ross  son Ben is born, life returns to its normal chaos. Joey, who rarely repays Chandler s generous  loans , participates in a well-payed scientific experiment, donating his sperm, but may not use it naturally for a week, so for once his current lover gets to do t  just for her . Ross must rush to China for a paleontological opportunity; just then his thoughtful and expensive birthday gift and a slip of Chandler s tongue finally reveal his love to Rachel, who can t decide whether to reciprocate, but rushes after him to the airport anyway...