The benefits of marrying an older man are that they have more experience with life and thus may be more mature. They are also usually more financially secure and emotionally stable. Because of their age, they often are looking to settle.
More experience in life also includes knowing what mistakes to avoid in past relationships, so dating an older man may contain less drama. An older man may also be more confident about themselves. An older man's financial security also allows him to spend more time on the relationship and less time worrying about how to support the family, and he may also cherish romance more, and perform more romantic acts such as taking a spouse on special trips or surprising her with chocolate.