I'm Finnish too and feel the same way. If someone smiles and acts too friendly when I don't know them well, I feel like they may be trying to manipulate me in s

I'm Finnish too and feel the same way. If someone smiles and acts too friendly when I don't know them well, I feel like they may be trying to manipulate me in some way. After living abroad for a while I am starting to see that it's just the default way to act, but being unsure when someone is genuinely enjoying my company vs. just trying to act polite still makes me feel uneasy.