For instance, one of my managers is focused — to an almost unhealthy degree — on water snakes of the genus Nerodia, a thick - bodied, ill - tempered, and typically dully colored and patterned group that also produce a wince - inducing odor. (petbusiness.com)
We also have, to healthy and unhealthy degrees, self centeredness. (religion.blogs.cnn.com)
Some people feel a sense of anxiety or fear when fortune favors them, and that reticence can lead people to suppress positive emotions to an unhealthy degree. (scientificamerican.com)