Sodium / potassium balance and my taste buds
so, 1) I'd love to find something good to read about sodium and potassium balance / interaction. All I ever heard before was just "eat less salt" but it seems it's more complicated than that. 2) what is up with my taste buds? I'm going on 4 months non-hardcore primal and just recently I seem to have totally lost an appetite for salt. My wife has complained several times that food I've cooked is not salty enough, and the last couple restaurant meals I had tasted way way too salty for me (though no one else complained). This is all new - the wife used to complain about too much salt, not too little.
Is this normal PB change, does it mean I'm lacking potassium, what's going on?
Thanks as always!