This is actually a thing. When learning calligraphy, it was one of the exercises we did. If you have good enough control of your hand and pen, then all strokes should be the same length, slanted the same way, and separated by the same spacing. When you manage this apparent “unreadable” thing, it means you nailed it!
The example below comes from this site (not mine)
At this stage, apart from my medication, I worry the most about my devices and chargers. Everything else, from toiletries to clothes I can buy if it turns out I forgot it and really need it. That lowered my stress with packing significantly (and I am not forgetting more things because of it).