The secret to writing relatable characters is to picture yourself in their circumstances, carefully fix in your mind exactly what information would be available to you in that situation, and figure out what the worst possible decision you can imagine yourself honestly thinking seemed like a good idea at the time is.
When people say “don’t write idiot plots”, that doesn’t mean never have characters make stupid decisions: it means don’t have them make decisions that are stupid simply because they’re convenient for the plot. Your characters’ choices should be well reasoned and well justified from their own perspective, and at the same time, from a hypothetical omniscient observer’s perspective the dumbest fucking thing you’ve ever heard.
gentle reminder
your creations inspire and bring joy, even if for now it is just to yourself, so please try your best to never stop creating, and to not be discouraged