I love Old English and would have tried to learn it, but I had to give up on human languages because it’s it’s a bottomless rabbit hole for me. I only learned how to pronounce it, a little vocabulary, and memorized a few small parts of Beowulf. (I switched to studying computer languages, because it’s more practical in my life at the moment. 
)
There’s a related thread here: Memorizing Geoffrey Chaucer's Canterbury Tales
Here’s the video from a few posts into that thread:
