I know what lice look like and ive had them before so how can you contract lice when you don't go anywhere?

Possible to get lice: You may not be going anywhere,but somebody might have visited you who has lice,he might have used you comb or sat on your bed .Your symptom of itching and discharge may be due to some thing else.Your health care provide can examine suggest you accordingly

They come to you: Lice is an only human parasite. It cannot be carried by animals or insects.It can, however, reside transiently in hats, scarves, coats, combs and brushes to name a few. If you ever have contact with any such items and or they are brought into your location, they can pass to you.