Souls? Tools? Guys, come on, this is like discussing what it would happen if you approached that sexy girl. You will not know untill you actually do it. So, since none of us have been dead yet, lets just drop this and enjoy this life until we drop.
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.