In germany at least there is quite the tax incentive.. Say you earn 150,000k, and your SO earns 30,000, then you pay tax at 180k/2(90k) levels instead of 150k l

In germany at least there is quite the tax incentive.. Say you earn 150,000k, and your SO earns 30,000, then you pay tax at 180k/2(90k) levels instead of 150k levels....