so sarah tonin uptake indicates sometimes wide mood swings. what we know about how couples relate and have conflict. if you have two partners with wild mood swings, you have a wild divorce rate. if you have one stable partner, then the other person can be tempered by that. it's not the biology is destiny, but choosing an environment that sort of suppresses the negative biology is helpful. that is your relationship. choosing a relationship that enhances the good parts of neurochemistry is the game. >> i know this is new. what success rate is this having? >> well, at this point, instantchemistry.com is working with match makers, wanting to provide it to high-end clients. they are working on developing the stir stick, an instant read - almost like a home pregnancy test. you can do it in bars, a check swab test. a red, green or yellow light. that will be exciting. >> what do you tell people who think this can't work, it's a gimmick. >> come on, we ask people to take a test for stds, why wouldn't we want to know if their immune system is enough to

of one person and look at a database and say "this d.n.a., because of the sarah tonin is a match to these other people on the database." ceratonin uptake indicates wide mood swings, and what we know about how couples relate is if you have two partners with wild mood swings, you have oo high divorce rate. if you have one stable partner, the other person can be tempered by that. it's not that biology is destiny. choosing an environment that suppresses the negative is helpful. that environment is your relationship. choosing a relationship that enhances the good part of environmental chemistry is the game of mann og omy. >> what kind of success rate is this having? >> at this point instantchemistry.com is working with match makers, and are developing the stir stick, almost like a home pregnancy test, a quick cheek squad or red, yellow or green. that will be exciting when it comes to mark. >> what do you tell people that think this can't work. >> come on, we ask people to test for stds, why not ask to know if their immune system is great enough to make a baby. >> do you think you'll find that