This chapter introduces cognitive household finance organized around the life-cycle model of wealth accumulation. It covers exponential and hyperbolic discounting, temptation and self control problems. It distinguishes the present-bias of many younger individuals from the future-bias of many older ones. It discusses financial literacy, financial education, financial advisers, and the power of financial planning. It discusses the impact of cognitive decline on wealth and financial abuse of the elderly. It stresses how difficult it is to provide for future long-term care needs and to guard assets against cognitive decline. It indicates the potential value of shared equity housing finance for those who wish to receive care in the home.