Title: Love by numbers
Description: How do I know if he is the one? Is there a seven-year itch? Do chat up lines work and, if so, which ones? There is academic research out there that can answer these questions: Dr Luisa Dillner, author of the Guardian column Love by Numbers, has sifted through it to give you the facts about flirting, dating, marrying, cheating and much more.
Subjects: Man-woman relationships, Manic-depressive illness