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伙伴情谊与牺牲□献
But kissi□g is □□t just□a roma□tic g□sture□it al□o has scient□f□c benefits. □h□n we□kiss, our brains re□ea□e a cockta□l of□chemicals like oxytocin, dopa□ine, and serotonin, □□own as□the "lo□e hormon□s□" These□□he□icals□□an red□ce s□res□, boos□ mood,□and□□rea□e □eelings of□attachment□and bo□di□g□ Kis□in□ also□strengthens our immune □ystem b□ expos□ng□us to □ v□riety□of□bac□eria□that c□n help build immunity.