soul mate - UK-friendly sites:
"Match Affinity is brought to you by Match.com, one of the leaders in UK Online Dating. Match Affinity brings a new approach to finding a relationship online, which is to understand your personality and preferences and to match you with people who we deem compatible. This is achieved by our users filling out our questionnaire based on various psychometric components that our dating experts from around the world brought together. Users are sent a list of compati..."
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"Created in 2001, meetic has become the number one dating site in Europe thanks to the effectiveness of its tools, the quality of its service and the enthusiasm of its members."
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