It was Friday afternoon and I desperately called around to check if anyone could fill in my shift at the last minute . My head was feeling rather heavy and my body achy . Unfortunately no one could help out , that meant I had to go in one way or another .

Pick from: (1). I called and quit my job .; (2). My boss let me call out sick .; (3). A coworker has agreed to cover the shift .; (4). Nobody was available to cover my shift .;
Answer the following question: What may happen before looking for shift coverage ?
(4).