The thing is, usually it is you projecting your own thoughts onto other people. So, work with yourself. you can't change it, why bother thinking about it all the time.
the best thing you can do is accept who you are and think 'hey, i might have small hands but i'm pretty f*cking great anyway' now you are owning the thing you think is troublesome and it should over time start to feel better.
I am a short guy, 167cm in sweden, where the 'normal' is 175cm+ thats what i've done, i can't change how tall i am, i just gotta own that i'm short and i know i'm great, if someone judges me cause i'm short, well f them, sounds like a terrible person anyway.
hope you get over it, focus on things you can change about yourself instead of things you can't
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