Some students sleep through class. Some students take just enough notes to pass the final exam. And some students are порнограф 2001like this dude.

Twitter user @jilliebean421 tweeted a video Friday of her classmate Jalen, whose astounded reactions to the animals in their zoology class are nothing short of inspiring.

"Zoology wouldn't be the same without @jloading33," she wrote.

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The internet agrees. Since the video was posted, it's been retweeted over 60,000 times.

Jalen even weighed in to confirm. Those reactions were real, guys -- because animals are cool as hell.

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See? Learning is fun. Also, how do we enroll in this zoology class?

[H/T: Teen Vogue]