□
□ut kissing is not j□st a romantic gesture—it also h□□ scie□tific be□efits. When we □iss□ our brain□ re□□□se a cock□ail of chemicals like □xytocin,□do□a□□ne, and serotonin□ known a□ the "lo□e hormones." These chem□cals □a□ re□uce s□ress, boost □ood, and cre□te feelings of □ttachment and bonding□ Kissi□g□also str□□gt□□□s o□r immun□ syst□m □y □x□osi□g us to a □a□iet□ o□ □acteria that □an □elp bu□□□□imm□□ity.<□p>□Th□□Sci□□c□ Behin□ □issing
社会意义:□发思考
“□是□生中也不乏坎□□挫折。”一位女□苦涩地说道□另一位轻轻□握住她的手,表示□解□她□谈论着生□中□□折,□述了□何在困□面前坚□地挺过去,如何在失败中找到力量和勇气。