Design by Yosef Phelan

The video call connects me to Charlotte, 23, from Brighton, on one of the hottest days of the year. Behind her, the empty carriage of the train jostles, with countryside scenes whizzing past the window.

"I went to school with a pit [of] anxiety in my stomach… it was like he was holding a gun against my head. I was scared he was going to ruin my whole reputation,” she says.