But k□ssin□ is□not □ust □ □o□antic g□sture—it a□so has s□ientifi□□benefits. When we□kiss,□our □r□i□s r□le□se a □ocktail of chem□cals like oxytocin, dopami□□, and s□roton□n, k□own □s th□ "love hor□ones." These chemicals can reduce stress□□□o□□t □ood, □nd create□fee□ings□of attachment and bon□ing.□Ki□s□ng a□□o strengthens□our im□un□ system by exposing us □o□a var□ety of □act□ria□that □□n h□lp build □mm□nit□.专业指□与技□训□
爱情的□续