When you finally decide to make changes to yourself and to your life to get what you want, you actually will.

FORBES: 5 Reasons You're Not Getting What You Want

The best episodes are those where both families learn from each other and the experience, and decide to make permanent changes to their routines after returning home.

FORBES: Role Reversal: Change Your Business For the Better

Priscilla Cruz, a campaigner for education reform from Todos Pela Educacao, sums up the challenge like this: "The political issue is that teachers are voters, and in Brazil there are two million of them that can decide elections, so it is very hard to make changes".

BBC: Booming Brazil held back by education gap

If European countries decide, however, to cut solar power subsidies and make changes to feed-in-tariff (FiT) structure, this can negatively impact the sales and profits of First Solar and competitors like Suntech Power and SunPower.

FORBES: International Markets Lift First Solar to $144

So, yes, he did make changes, He did give them extra confidence particularly to make the arrangements for them to decide who should represent the occupational groups.

CNN: Transcript: Interview with Margaret Thatcher

Whenever the BBC management proposes to launch a new service or make significant changes to an existing service the BBC Trust will consider the proposal and decide whether to launch a Public Value Test (PVT).

BBC: Trust review: Your questions