Creating an estate plan is a gift to the people you leave behind. By expressing your wishes, you’re trying to guide your loved ones at a difficult, emotional time.

All too often, though, well-meaning people do things destined to create discord, rancor and resentment among their heirs. What looks good on paper may play out disastrously in real life, says estate and trust attorney Marve Ann Alaimo, partner at Porter Wright Morris & Arthur in Naples, Florida.

“People want to think everybody will be nice and do right,” Alaimo says. “Human nature is not always that way.”

In my latest for the Associated Press, four things you can do to reduce the chances of family discord.