Season 1 · Episode 5
The Map of Longing
Greta takes a break from the Map of Longing after Will's confession to work on herself and begin planning for a future that belongs only to her.

The phrase signals deliberate disengagement from others. The expletive intensifies the sense of stubborn independence. Common in informal speech among adults.
Liar has many meanings; liarla specifically means to create a problematic situation, often by doing or saying something ill-advised. Frequently heard in everyday conversation.
A fixed reflexive phrase expressing self-sufficiency or determination to cope without help. Not deducible from the individual words arreglar (to fix/arrange) plus se las.
Tela by itself can mean 'a lot' or signal something difficult/complicated. Vaya tela is a fixed reaction phrase expressing that something is quite a lot to deal with.
Caer encima in this figurative sense means a problem or responsibility has been dropped on someone. The indirect object pronoun indicates whose burden it is.
Used to emphasise that something happened continuously without stopping. Common with sleeping, watching, working, etc.