In this task, you are given a Reddit post as a text. Your task is to generate a short summary for this text. The summary must include a situation which caused humor. The summary should be one or two sentences long.

Let me give you an example: Text: quick backstory: i am a duel enrollment student (still in high school but goes to college full-time) and don't have my license so i bike home. 

now let's get to the fuck up. i was riding down the sidewalk and up ahead was a golf cart blocking the way. the man who was using kindly moved it out of my so i could get past. as i go by, i give him the nod and say "thank you" just to be courteous.  well he didn't really give me that much space so as i was saying thank you, my goes into the grass and i quickly try to readjust, resulting in my tire hitting the side of the sidewalk and me falling off my bike. i looked like a complete dumbass and just laughed to myself and kept riding.  luckily, i don't take myself too seriously, so i wasn't that embarrassed.
The answer to this example can be: said thank you, fell off my bike.
Here is why: This summary is appropriate for the given text post because the focus of this post is about a humorous situation caused by "thanking someone and later falling off from the bike".

OK. solve this:
Text: so about a year ago my best friend and i were held up by knife point walking to my car after a great iron maiden show. it was one of the strangest experiences because we were both just frozen and we didn't know what to do. luckily when i go to concerts i bring my duct tape wallet with just my id and some cash.. in this case i had $40 left over. he asked for our money and i just threw my wallet and we both sprinted to my car. after this happened we decided that we would not be unprepared if it happened again, so we ordered some rubber training knives off amazon and we decided that we would randomly attack each other to keep us on our toes. my roommate and i have been best friends since we were 11 and have been roommates for about 3 years now and we both work opposite schedules. he works the night shift and gets off around 6am and i work mornings and have to be at work by 7:30 am. so fast forward to this morning.. i wake up around 6:15 walk into my bathroom in my boxers and my roommate is behind my bathroom door with the rubber knife and he yells and attacks me.. i freak out and scream and grab his hands and we tussle through my bathroom knocking over my toothbrush holder and knock my waterpik on the ground and water goes everywhere. i slip and hit the floor really hard and i yell noooooooooo and he stabs me in the chest.. i push him off me and we laugh it off although my heart is still racing.. then we hear loud banging on the door.. the downstairs neighbor is at the door with his handgun saying he's called the police and he's going to break the door if we don't open up. we eventually calm him down but it was too late to stop the police from coming so we had to deal with that.. was really hard trying to explain being late to work.
Answer:
- friend attacked me with a rubber knife, got the cops called by being too realistic.