Ser vs Estar

Question 1

When do you use Ser ?

Answer 1

When its a permanent condition;
D - Descriptions
O - Occupation
C - Characteristics
T - Time
O - Origin
R - Relationship

Question 2

When do you use Estar ?

Answer 2

Use to indicate temporary conditions. And for locations.
P - Place
L - Location
A - Action
C - Condition
E - Emotion