I think she pushed all his vulnerability buttons.I think she lovebombed him. Narcissistic lovebombing - flattery, motherly, tales of what he could be (with her help), how amazing they’d be together. But really early on in the relationship. Never giving him time to stop and think, hang on, it’s going very fast. (Turning up at the Invictus Games?)
As for her dropping hints to the press about their relationship, by then she’d already got him confused and listening to her. And it was good press they were getting, people thought, good on Harry, she seems smart and attractive. (Oh how wrong we were.)
Or she could have dickmatised him with some fandangled sex moves but I’m sure he’d seen it all.
She is basically copying everything Doris did.
Married up and screwed over her husband