Conrad and Nic got married after the pandemics, apparently 2021, and Gigi was born in, let's say, 2022. Nic died almost a year later (2023) and, according to a previous episode, three years have passed since then (2026). So it is not possible that a patient (Charli) who was born in 1997 is 25 years old. Also, Trevor was 18 when Gigi was born and 4 years later he is already an intern.