Help from a stalker

I had no idea where to ask this so apologies in advance if I'm in the wrong place and if I get the terminology wrong (I almost definitely will)

Long story short: I have been stalked by someone for years and no matter how many times I make sure my accounts are secured with two factor etc, they always seem to know the most specific information about me. Where I bought dresses I wear in Facebook photos, where I've booked …

accounts etc facebook factor information matter privacy story two factor