Bu□ kissing is □ot just□a romantic gesture—it also has scientific□benefits. When we kiss, □ur brains r□lease □□□ock□ail□of□ch□micals l□ke □xytoci□,□□opami□e,□□□d s□□otonin,□know□ as the□"love h□rm□□es." T□es□ chemical□ can r□□uce □tress, b□os□ mood, □nd create f□elings of a□tac□m□nt and b□ndin□. K□ss□ng also s□rengthens our i□mune sy□te□□□y exposing us to a □ariety □f bact□ria□□hat can hel□ build □□□un□ty.□/p>
冰封王国与火□□国的对立
□□语
□h2>真相的多重解读
挑□任务的□张刺激