Definition: In this task, you are given a Reddit post as a text. Your task is to generate a title for this text. The title should start with "TIFU by", followed by a situation that caused humor. The title should contain 7-12 words, ideally.
Input: Text: so this happened throughout this fall school term.

in this school term, there's been this guy in one of my classes. we will call him mark. mark was always really fricking annoying. he would constantly interrupt people to input his stupid opinion or make terrible jokes that no one found funny. everything about him was irritating to be honest, everything from his greasy hair to the sliver of fat belly that protruded from beneath his too-short shirt to his laugh that sounded like he was inhaling his spit. 

not only was he annoying, but he was also rude. he would interrupt the professor in the middle of a lecture, and he would interrupt fellow students in the middle of their presentations, often to argue with the point they were making. i knew that if this continued, i would eventually snap, and i was right.

he interrupted this one girl during her presentation multiple times. she wasn't the kind of girl to stand up for herself, so after the third or so time he interrupted her, i loudly asked him just to let her speak. he apologized and shut up immediately.

during my presentation a couple of weeks later, he interrupted me while i was talking. i had told myself before that i wouldn't stand for it if he did, so when he started talking over me, i tried to just continue talking. but he began talking louder! so that the rest of the class would hear him over me. i was appalled. "excuse me!" i eventually said, twice, but he ignored me, continuing to talk louder to drown me out.

the next week, a group was doing a presentation and were having us do a humming activity, in which you hum a song given to you and your team tries to guess what song it is. mark was continually insulting this one guy on the other team who was attempting to hum, calling him tone deaf and a terrible singer, and that he, mark, could do better! needless to say, i was disgusted. when it was our team's turn to go, we were told to choose our best singer, and i immediately pointed to this one guy who is a pretty decent rapper. everyone else on the team agreed with me. except for one person. guess who that was? it was mark. he started going on about how he was probably the best singer on our team, no, in the whole class, and we should have chosen him. i had to try really hard to repress the urge to punch him in the face.

then, as the rapper guy began to hum, mark immediately started talking over his humming. he was saying he could do better and that he, the rapper guy, should just pass the task over to him. enraged, i snapped again at this point. i said something along the lines of, "can you just give him a chance? jesus!"

now, to be clear, no one else had said anything to mark about his rudeness for the whole term. not even our professor. i couldn't figure out why - possibly because mark seemed like a bit of a weirdo and people didn't want to hurt his feelings or make him feel bad about himself (canadian universities), or people just didn't know what to say because encountering someone so blatantly rude isn't very common.

so another week later, i got an email from my prof asking if i could come to class 10 minutes early the next week. it was obviously about mark, and i was shocked that i was going to be reprimanded for standing up for myself and my classmates. mark was the one who should be getting the talking to. so i prepared to hold my ground against my prof if i had to. i was even ready to question my prof on why he hadn't said anything to mark.

so i arrived fifteen minutes early to class the next week. when my prof showed up, he took me out of the classroom and outside onto the fire escape where we could have some privacy. the first thing he said was, "so, i've noticed that mark drives you crazy." this was an understatement, but i agreed with him. 

then he went on to tell me that mark has asperger's. well, shit. so, i didn't know a whole lot about asperger's, but basically even though mark is on the higher-functioning end of the asperger's scale he can't help blurting out whatever comes into his head, and when people try to stop him it makes him nervous and he goes on for longer. and apparently he has mentioned in class before that he has the condition.

so this whole time, i've looked like a total asshole, picking on the kid with asperger's syndrome...

TIFU by standing up for myself and my classmates