 When Marshall and Lily break the news of the pregnancy, Robin becomes aware of how her own life is stalling, and resolves to take the research position, but when they reveal the false positive, she changes her mind once more, deciding that she is content to be a "coin-flip bimbo".Barney, meanwhile, has received an end-of-year bonus, which he intends to spend on luxuries for himself, including a suit with diamond pinstripes.When he hears about the pregnancy, he realizes how unfulfilled his selfishness has left him, and decides to spend the money helping others.