Age huge difference in wedding within the hundreds of years
Historically, age difference between wedding was one-sided. Husbands were likely to be avove the age of the wives away from an impulse that is purely biological It maximised the amount of surviving offspring.
The ideal age difference for marriage was 15 years according to the Scientific American among the pre-industrial Sami people of Finland.
Yet a study of marriages between seventeenth and nineteenth century (ahead of the advent of antibiotics guaranteed youngster survival hence eliminating age gapвЂ™s raison-dвЂ™etre) revealed just 10% of marriages had been between people 15 years younger!