5 Magic phrases couple use to keep their love stronger

4. “Wow, Thank you!”: In the happiest relationships, couples make a point of acknowledging all the little things — from his clearing the table or taking the kids to the park, to her picking up the dry cleaning or making your favorite meal. But the closest couples add an exclamation to their thanks. Adding a “Wow!” is like underlining your thanks or putting it in bold type, so you know for sure that your partner feels loved and appreciated. In fact, according to behavioral science expert Craig S. Davis, Ph.D., an exclamation actually registers differently on the cochlea — the part of the inner ear that receives and analyzes sound — so your partner literally perks up, listens, and better hears what’s being said. SEE ALSO: The 10 steps to building a perfect relationship..