May 8, 2021 Bill and Melinda Gates announced they were ending their 27-year marriage. And according to therapist Tess Brigham, over a long marriage like that, tension can build up in one of three main relationship categories she calls the “three I’s” - incompatibility, infidelity and irreconcilable differences. This is how the three I’s can affect marriages, according to therapists and attorneys. Incompatibility- Couples who don’t see eye to eye on living, spending and romantic habits may resent each other over time, but Brigham says the most common incompatibilities that lead to...