retrain fight or flight/freeze

No.13753452 ViewReplyOriginalReport
>Be with QT best friend eating chips at in front of gas station
>Make her lock her cars doors while we eat
>Homeless dude pulls up second later beating on the car and trying to get in
>Best fren freezes for a solid 5 minutes
>Would've been gooned if I wasn't there

How can she to retrain her freeze response. She's told me shit like this has happened before and I can't find articles for retraining the response so you can react, just shitty wiki hows on coping with anxiety.