Instant Chemistry uses Biological and Psychological Factors to Determine Relationship Compatibility


The Basics of Human Compatibility

Now, with advancements in relationship science, DNA can be used to help you and your partner improve your relationship. Instant Chemistry has developed a method for assessing relationship compatibility based on scientific principles – a combination of genetics and psychology. We now have a deeper understanding of what makes relationships successful and are continuing to learn more every day. This research has come from academic institutions around the world and has been published in numerous peer-reviewed journals.

Compatibility Test

Our genetic and psychological tests allow you to analyze your compatibility with your partner in a safe, private, and cost-effective way. Recent research has shown that biologically compatible partners are more physically attracted to each other, experience longer lasting relationships, and have better sex lives. Instant Chemistry can help give you insights into how your relationship ticks and where strengths and weaknesses may lie. Go ahead and learn about your relationship and help it grow.

Compatibility Test
In a landmark study led by Dr. Claus Wedekind of University of Lausanne, Switzerland in 1995, women were asked to smell shirts worn by men and rank them. They consistently ranked men with HLA genes unlike their own as more attractive.
Since this publication, many other studies have confirmed that up to 40% of physical attraction can be determined through our genes alone. There is now strong scientific evidence that biologically compatible partners enjoy greater attraction to one another and have superior relationship stability (Learn More).


In the beginning stages of most exciting new relationships our brain chemistry and hormone levels are far from normal. For example, your feelings of well-being and happiness are affected by a hormone called serotonin, which plays an important role in emotional responses, especially when measured against your partner. Another hormone called oxytocin affects how empathic you are to others and your ability to deal with stress. In addition, your desire to seek out new sensations and experiences can be influenced your brain’s sensitivity to a hormone called dopamine. Understanding your partner’s emotional behavior is the key to successfully dealing with relationship challenges, solving problems and better communication. We now have the ability to reveal vital information which would normally take years for you to learn over time with your partner (Learn More).

Psychological Compatibility
Compatibility Test

Instant Chemistry uses a psychological instrument specifically designed for profiling behavioral patterns in four well-researched dimensions of relationships. The goal is to determine interpersonal compatibility in the most efficient and effective manner possible. Completing the test generally requires 10-15 minutes at most. The test creator is award-winning psychologist Dr. Joel Block, a renowned clinical psychologist specializing in couple therapy. Dr. Block is Board Certified in Couple therapy by the American Board of Professional Psychology, and a senior psychologist on the staff of the North Shore-Long Island Jewish Medical Center and an Assistant Clinical Professor (Psychology/Psychiatry) at the Hofstra North Shore-LIJ Medical School. For twenty years he was the training supervisor of the Sexuality Center at Long Island-Jewish Medical Center. Dr. Block is the author of over 20 books on Love and Sex, his specialty (Learn More).