Teacher Walks In Front Chalk Board
A Teacher In A Classrooom Walks In Front of Chalk Board
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I'm not saying it was aliens but it was aliens. 
I'm not a scientist but I'm pretty sure this is wrong. 
When your professor is walking and talking and you just have to listen 
When the board is so full of information you don't know where to start 
When your professor looks all serious and focused 
When you have to stay calm and focused in the classroom 
When your professor is so focused you just have to stay quiet 
When you're in the HDF board and things get too intense 
When you've got a blackboard and a chalkboard and you don't know which one to use 
When you're in the classroom and it feels like everyone's watching you 
When the board is too intimidating 
When your professor is pacing and talking and you know you're in trouble 
When you're in the classroom and things get too real 
Don't mess with the person wearing glasses, cardigan and a long-sleeved shirt 
When your professor is so calm and serious you don't know what to do