For 25 years, people in the practice of the sex therapist Dr. Christoph J. Ahlers after love. He's an expert at it himself, having researched dating sites before the internet existed. Dating apps like Tinder are nothing more than "old wine in new bottles" for him. Ten years after the invention of the app, the question arises: has Tinder changed the way we deal with sexuality and love in our society?
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