Juli Ford lives in a multigenerational house with her family.Lucy Lu for Business InsiderThis 'as-told-to' essay is based on a conversation with Juli Ford, a 57-year-old real estate agent and certified senior advisor based in Massachusetts. It has been edited for length and clarity.When my children were young, we saw my parents all the time.We lived very close to each other in South Plymouth, Massachusetts, and my parents always helped with the …