More context appears to be needed in order to understand this. In particular, the word "positive" seems to be used in an unexpected way. The link below might help.
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Newguest It looks like one has a positive attitude to everything"positive" does not appear to mean "positive attitude". It is a peculiar electrical analogy. To understand the analogy, read carefully what the linked text says. "Not being positive" actually seems to equate to being receptive. Needless to say, this is likely to be immensely confusing to m