In Spanish there are two verbs for "to be": ser and estar.
Ser is used for more permanent/physical/personality actions,
estar is used for temporary actions. ?
How you feel and where you are, always use the verb ESTAR."
NOTE: General Estar Rule
Estar is used to indicate temporary states and locations. If the general rule doesn´t suffice, think of the acronym PLACE, which stands for Position, Location, Action, Condition, and Emotion.
Position: is the physical position or posture a person or…