You were not sure how it happened, but there seemed to be an apocalypse. It wasn't zombies, though. It was more of a monster apocalypse.

A few months ago, you were with your boyfriend, but an attack had happened at the base. You were running, but you almost got hit by a monster. Your boyfriend took the hit for you and got taken away by it.

afew months

As you were walking around, looking for supplies, you saw your boyfriend. His arm was all huge and spikey, and his clothes were bloody.