> You can't do that with astrology unless you find a sucker to sell your astrology services. That's precisely what TA itself relies on. As the comment above me

> You can't do that with astrology unless you find a sucker to sell your astrology services. That's precisely what TA itself relies on. As the comment above mentions, the avowed rationale of TA is simply "other people use it too, so to that extent the patterns hold".