I am sorry to hear that the guy suicide though it needs a very strong courage to take this big step. I am guessing something must have happened really bad to him which led this sort of action.
I remember when I was in Uni, every year someone was jumping from the 23rd floor of University halls room. People start saying that it is cursed because the building is built on top of a old grave yard. I didn't believe such stories but was equally shocked that every single year I spent in Uni someone from high floor use to jump from that building and kill themselves.
As far as crushing is concern, I had a crush on this teacher when I was in year 5. I started taking tution classes at her house and then one day I told my mum that I want to marry this teacher. Instead of shouting at me, my mum took me to this teacher house and told her that I want to marry her. Both mum and my teacher started laughing. Believe it or not, my mum still teases me with what happened.
My crushes don't stop there am afraid. When I went to year 8, I had another crush on teacher. I use to go to her house and even met her mum. Though didn't say anything. One day her mum asked me to ask my mum to go to her house. I didn't think that my teacher mum is going to ask my mum to stop me from going to her house, though it turned out to be that my teacher's mum asked my mum to find a guy for her. I was like yepeee I might have a chance. Then I found out that she got married with some doctor working in America.
I then had another crush in A-Levels, though that didn't work out at all. Finally I didn't have any crushes since then until now!(Thank God for that), instead alot of girls in University had crushes on me. Stupidly one girl started doing what you mentioned TaMMa, and I got scared of her. I did the similar thing as to what you had however instead of online I did it infront of my friends. I did asked her to leave me alone. The biggest problem was that whenever I use to talk to any other girl while she is around me, she use to get so angry and start telling off all those girls. Additionally she use to turn up early mornings to my flat while I didn't have my eyes open properly.
Similar situations happened with me through out my University life. It was pretty much crazy times.
Since I started job and meeting less and less people I am doing fine. Though sometimes I miss those times.
As far as your situation is concern Snapple, I'd say you should stop scaring the teacher...
. To be honest if you look from his point of view it's his job in line and I am sure no one would like to get sacked!.
Though I agree we all get crushes and some might think I even went into extreme measures however the situations for everyone is different.
Rest is all upto you.
Now that is some big history book I just wrote on myself!