 After buying the patrons of MacLaren's designer clothes, toys and condoms, and taking them to a strip club, Barney goes to see Sam Gibbs, his brother's father and a minister, to make a donation to his church.He begins to write a check for $10,000 when he gets the news about the false positive, and adds a decimal point to turn it into $100, returning to his selfish ways and, indeed, buying his diamond-striped suit.Immediately after they discover and announce the pregnancy test's results, Marshall and Lily secretly begin to panic about how unprepared they are to raise a child, and scramble to complete pre-delivery remodelling of their apartment in one night.