It's too hard to swallow for most people but you're right. There are significant headwinds coming ahead for most markets whilst productivity gains have stalled.

It's too hard to swallow for most people but you're right. There are significant headwinds coming ahead for most markets whilst productivity gains have stalled. See Robert J. Gordon's paper "IS U.S. ECONOMIC GROWTH OVER? FALTERING INNOVATION CONFRONTS THE SIX HEADWINDS". I really think millenials should consider hedging their bet, maybe even spend 100% of their income.