e Harmony takes a quantitive approach to matching based on “key dimensions of compatibility proven to be the foundation for a long-term relationship, like character, intellect and values”.
For those looking for a long-term emotional investment the site is very good at separating the wheat from the chaff and finding the sort of people you say you like, but it means that you may miss out on the spark of someone surprising and exciting enough to tempt you away from your usual "type".
This is a rule applies to all dating sites: avoid the temptation to exaggerate.
You dont need to be Olympic-standard fit, just reasonably active.
e Harmony e Harmony claims to be "responsible for nearly 4% of new U. marriages" and scores well in surveys of online dating sites, if you're the sort of person who believes surveys.