history: when i visited one of my friends home recently , i encountered with their dog its a male rottweiler and it was so furious and tried to attack me and i got struck suddenly and felt lot of fear i was so shocked by the behavior of my friends dog
current: what happened ? 
next: when i knocked on the door i felt the door was open and i thought as he is in home itself i felt i can go in but suddenly his dog jumped on me