That position was repeated in this week's Mid-Term Review, and Conservative MPs - including ministers - want proposals to be published this year. The Liberal Democrats have opposed the tax break plan, and Mr Clegg told MPs he did not think voters would I think that it would be hard to explain to people why people who are not married should be stung with higher tax. Mr Clegg said. I just don't think it would be right. David Cameron is facing growing pressure from Conservatives to deliver the married couples" tax break, amid concern that the Coalition's policies are penalising families where one parent does not work. Campaigners and Tory MPs including a former minister this week rounded on the Government, insisting that parents who looked after their children rather than go to work were being "discriminated against" by Coalition tax policies.