Don't tell her!! like someone above me said just because he supposedly banged 2 broads before this one doesnt mean shes going to expect him to be a pro or anything I don't see the harm in keeping up with the lie.
Dinner ran three hours. She laughed at everything. You walked her to her car thinking this one's locked in.
Then: nothing. Two texts. No reply. What happened?
You did what most men do on a great date. You filled every silence, answered every question, and left her with nothing to wonder about. No mystery. Nothing to sit with when she got home.
Rule 3 of the "22 Rules" changes the ending: tell her a little, hold back the rest, and let her imagination do the chasing. The ghosting stops too.