This flip can have the side effect of causing previously happy vertices, which are neighbors of the flipped vertex, to become unhappy, leading to any given vertex potentially becoming happy and unhappy multiple times throughout the course of the algorithm.
It's always the Republicans that they become unhappy with.
"A lot of people have become unhappy with the I.M.F.
If he had lived to be an old man he would have become unhappy.
But if they think that the future holds no hope, then they become unhappy.
In any other industry, you can switch to a rival if you ever become unhappy.
"I have seen people change after a bonus, seen them become unhappy.
Lewandowski is a quiet guy and will not make trouble but that does not mean he cannot become unhappy.
During this phase they relate most intensely to their littermates and dam and may become unhappy at being removed from their familiar surroundings.
There have been strong signs, too, that the more the Republican Party appears to be led by the nose by the religious right, the more businessmen become unhappy.
And there's a lot of research that supports that people who strive to much to be happy, actually over time become unhappy.
