It makes good business sense to promote stable and happy marriages in yourself and those who work for you the same way companies promote healthy habits by including gym memberships in employee benefit packages. The cause and effect of marital outcomes are not that mysterious. Certain variables such as good communication predict happy outcomes, others such as a couple's inability to handle conflict predicts an unhappy relationship or a divorce several years from the point of prediction. Happy and unhappy couples have the same numbers and types of conflicts. Happy couples have better ways to manage their conflicts, and these ways can be learned.
Most bosses are reluctant to intrude in such a private area as marital satisfaction.
Inform yourself about how marriage really works. Linda Waite and Maggie Gallagher have written a fine book about The Case for Marriage. It will convince you to get happily married and stay happily married. Include marriage retreats as an employee benefit. Avail yourself of an opportunity to go on an annual couples retreat.