Family law lawyer Sophie Soubiran: "The influence is not reprehensible in itself" The courts have been trying for several years to put a legal framework on it, although with difficulty. "We speak of control when two people are no longer on an equal footing, when one has the ascendancy over the other," she says.

“It is the tool that can enable violence, whether psychological or physical. It's a conditioning, if you prefer,” says psychologist Anaïs Vois.