The first shift at the parcel depot

On my first morning, I mistook the outgoing shelf for the returns area. Mara let me finish explaining before she answered, and her patience did not falter when I repeated the mistake an hour later. When the trolley became difficult to steer, she quietly moved several of the heavier parcels to her own. I had expected my inexperience to be exposed; instead, her considerate approach allowed me to learn without feeling like a nuisance.

From the passage, select two words or phrases that describe how Mara treated the writer.