爱□丝□诚实之旅
<□□But ki□sing is n□t j□st a roman□ic □□□□□re—it als□ has scie□□if□c be□efits. When we □□ss, our□□rain□ release a□□ocktail□of□□hemic□ls like oxyto□in, d□pam□□e,□and serotonin, known as the "lo□e hormone□□" These ch□micals c□n red□ce stress, boost mood, and c□eate □eeli□gs □f□attach□□□t and □o□ding.□K□ssing also strengthens□□u□ i□mune □ystem by exposing□□s to a varie□y of bac□eria th□□ can□h□□p build□im□uni□y.