When I was last pregnant back in the dark ages (nineties/noughties) pregnancy tests were very expensive, so people didn't test until after their period was late. Now people seem to test as soon as they have unprotected sex, then they post pictures of the test online because they can't make out a discernible line. They often follow this up with tests taken every day for comparison. Why? Testing before your period is due doesn't make you more pregnant, but it does appear to turn people into crazed obsessive bores. What is this all about?