But□k□ssing □s □ot ju□t a roman□□c ge□□ure—it also has scient□fic benefit□. When we k□ss, our brain□ □□lease a□cockt□□□ of che□ic□ls □i□e oxytocin□ dopamin□, an□ ser□t□nin, k□own □s t□□ "□ove hormones." These chemic□ls can □e□uce str□ss,□boost mood, and create □eelings□of□a□tachment□and bonding.□Kissi□g□□ls□ □trengthens our immune system □y exposin□□us□to a vari□ty of □acteria t□at can h□lp□buil□ immunity.□>□<□□>剧情简介