Getting divorced is especially expensive. Whether it’s paying for lawyers or even just the expense of moving out, it's a real resource drain. As a result, regular couples have more economic pressure to make the relationship work. Celebrities, on the other hand, as Dr. Luiz explains, aren’t under same financial or familial constraints. “Children are often raised with the help of many nannies, and there is wealth, [so] there are fewer practical reasons reason to stick it out,” she says.