□h2>未来的未知
<□2>命运交□,剑指苍穹□
But kissing□is no□ just a romant□c gesture—□t also h□□ sci□ntific bene□it□□ When we ki□s, ou□ b□ains rel□□□e □ cockt□□l □□ chemicals l□ke□oxytocin, do□amine, and seroton□n, known□as th□ "lo□e horm□nes." These c□□mic□□s □an reduce stress□□b□ost mood,□and crea□□ feelings □f attachment and bonding□ K□s□□ng□□l□o strengthens our im□□ne□□ystem by expos□ng us□□o □ varie□□ of b□c□e□ia□that c□n help □u□ld □mm□ni□y.□/p>
□h2>未来的未知
<□2>命运交□,剑指苍穹□