Right now , I ' m doing her a complete favor by being cordial to her . If she were n't my roommate , I would never in a million years talk to her . Seriously , I ' m not even being sarcastic right now .
Why is the narrator talking to her roommate ?
Pick the best answer from the following options:
- Because they share a space .
 - Because they are friends .
 - None of the above choices .
 - Because they like being sarcastic to one another .


Because they share a space .