How do spouses coordinate Social Security when their earnings histories are very different?

Within the broader financial plan, social Security timing should be coordinated with the household's other guaranteed income, health, longevity expectations, taxes, employment plans, and survivor protection. Within the broader financial plan, spending investments while delaying Social Security can make sense in some plans, but the tax impact and the value of liquidity should be modeled before committing. Couples should compare claiming combinations rather than making each decision separately.