□2>游戏设置与玩法<□h2>□
But□kissin□ is not jus□ a r□mantic ge□ture—it a□□o□has scientif□c benefit□. When we kiss, □ur □ra□ns release□a cocktail of □h□micals like □xytocin, dopa□ine, and □e□otonin, kn□wn □s□the "love hormones." These ch□□ical□ can red□□e str□□s, boos□ m□□d, an□ cr□ate fee□ings of atta□hment and □□ndi□g. Kissing□also str□ngthens□our□immune system by ex□o□ing u□ to a v□□iety of bact□ria□t□a□ can h□lp□b□□□d immunity□