The period of time between a platonic friendship and romantic relationship where both parties logically asses the pros and cons of being intimately involved. Most people who think this much about relationships are neurotic and generally graduate students in either sociology or feminism. These relationships are due to fail, and those involved generally subsequently turn all of their romantic
efforts into the online dating community.
William: 'HA, look at the couple in those nerdy glasses holding their hands in such a sterile manner!'
Tom: 'I see, I'll bet that they are in a trialogical relationship!'