Final answer:
The passage provided does not mention Moira or bidding, so it's impossible to determine how many times Moira bids against herself from the given text.
Step-by-step explanation:
The provided passage does not contain information about someone named Moira bidding against herself. Thus, it is not possible to answer the question 'How many times does Moira bid against herself?' based on the reference provided. The text in question appears to be from a story discussing the characters' views on convictions and generational differences in thinking. The passage also touches on racial stereotypes about Native Americans, which could be addressed in a discussion about the themes of the book or story from which this excerpt is taken.