□h□ad><□p> □h2□恐怖元□<□h2□□
But kissing is □ot just a ro□a□tic gesture—it □ls□ has s□ientific benefit□.□When we □is□, our □r□ins release □ □ockt□il of c□emi□□l□ li□e ox□tocin,□dopa□□ne, and□serotonin, known as□the□"□ove hormo□□s." The□e c□□mic□l□ □an red□ce□stres□, boo□t mo□d, and □reate f□elin□s of a□tachmen□□and bo□ding. K□ssing a□so s□rengthens □ur immune syst□m □y exposing us to a variety □□□ba□teria □hat can □e□p build immunity□
□h□ad><□p> □h2□恐怖元□<□h2□□