You cannot invade my moyo

Many players whole build moyos are outraged when it gets invaded. But 'you must not be able to live inside' they think to themselves, or speak out. They are attached to the moyo they have invested in. It is a much bigger matter than a small group that can be sacrificed. But expectation that they must hold onto all that they have cunningly built is often misguided.

If an invasion shrinks the moyo, see that shrinkage as only one aspect. Where, you should ask, are his stones running? Can you steer them into a part of the board where another group has a vital weakness that you can exploit courtesy of this steering of play?