How does one midlane

So uh, I've played since s3, but midlane has always been that one lane that I just can't seem to get the hang of. Playing with some friends, no one ever wants to be mid. So I say sure, I own all champs I can do it. But I just can't seem to get in the right mindset of mid or something. Maybe I underestimate the damage that champions do, maybe my mechanics are garbage, or maybe I just don't know the matchups well enough. Basically I'm looking for a good beginners guide to explain the lane better, some general advice, etc etc to make this lane more bearable.
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