to remain silent or hold oneself aloof in a sullen, ill-humored, or offended mood: Promise me that you won't sulk if I want to leave the party early. a state or fit of sulking. sulks, ill-humor shown by sulking: to be in the sulks. Also, sulker. a person who sulks.
Some cite the fact that secretions from the millipede repel other insects as a reason why they are beneficial. While millipedes do not bite, the sight of them can still be unnerving, especially when they appear in large numbers. They have the ability to crawl up walls and enter homes through small openings.
Individuals may live for several years. Millipedes are attracted to dark, cool, moist environments that are rich in organic matter such as compost piles, heavily mulched shrub or flower beds, rotting logs, or the soil under logs and stones. They usually go unnoticed because they live in these relatively hidden habitats.