Along with what everyone said, lots of practice helps greatly. That’s also a skill you develop: the more exposure you get (and engage with), the better it gets!
If you’re used to user-scripts:
While doing WK reviews, Jitai plugin, which randomizes which fonts are presented to you during review, helps me a lot!:
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Original Jitai is currently broken due to recent WK internal changes but it still explains how to install it and also hints at great fonts to test out
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Jitai v2 is a quick reworking of the script so it works for now
Kudos for those wonderful people who created this nifty tool!!