I ruptured my eardrum :(

this weekend me and my sister were fighting but we were just playing around and she hit me really hard on the side of my head (by accident) and as soon as she hit me my ear hurt really bad and i couldnt hear out of it at all. i knew something was wrong and it bleed a little bit too. the next day i went to the doctor and they looked in my ear and said it was perforated. i was so sad. they said in most cases it heals on its own but sometimes it doesnt. i have to wait 8 weeks and if it isnt healed i have to get surgery. and in the meantime i cant even go underwater. but hopefully it heals.