B□t kissin□ is□not j□st a ro□□□tic gest□r□—i□□also□has scient□f□c benefi□s. Whe□ we □iss, our brai□s rele□□e a cocktail of chemi□als like oxytocin, d□□amine, and ser□tonin, kno□n as the "l□ve ho□m□nes.□ T□□□e□chemicals can redu□e st□e□s, boo□□ mood□□and□c□e□t□ feeling□ of a□tachment□□nd bond□ng. Kissing also strength□□s o□r immune system□by □xpos□□g u□ t□ □ variety o□ bac□eria that can help buil□□immunit□.□/p>
夏 归
黑帮□性的角色