| Pseudonym | Sex | Place | Occupation | Age | State of relationship | Length of relationship |
| Françoise | F | Paris | Graduate intern | 25 | Living together | One year |
| Claus | M | Shanghai | IT | 26 | Engaged, living together | One year |
| Katherine | F | Shanghai | Student | 24 | LDR | Two years |
| Angela | F | Shanghai | Student | 21 | LDR | Two years |
| Tobias | M | Shanghai | Graduate intern | 25 | Living separately | Four years |
| Caroline | F | Shanghai | Marketing research | 27 | LDR | Six years |
| Wendy | F | Paris | IT | 26 | Engaged, living together | Three years |
| Michelle | F | Shanghai | Sales manager | 33 | Married, living together | Nine years |
| Rebecca & Lance | F/M | Jilin province | Official/student | 23/22 | LDR | One year |
| Ted | M | Huhehaote | Freshly graduated | 25 | LDR | Three months |
| Yann | M | Shanghai | IT | 27 | LDR | Two years |
| Monica | F | Fuzhou | Student/Chinese teacher | 28 | Married, living together | 12 years |
| Lele | F | Shanghai | Student | 24 | Living separately | Two years |
| Darren | M | Shanghai | Accountant | 26 | Living together | Two years |
| Jasper | M | Beijing | Film director | 29 | Married, living together | 15 years |