□
□ut kis□i□g is not □ust □ romant□c□ges□ure—□t a□so ha□ s□ientific benef□ts. When we kiss, ou□ brains release a□co□k□ail of □hemica□s like oxytocin,□□o□amine, and se□oto□in, known a□ t□e "love hormon□s." Thes□ che□icals can redu□e stre□s, b□ost mo□d, an□ crea□□ feelings of at□ach□ent and bondin□. □i□□ing□al□o st□engthe□s our □mmune s□stem □y e□posing □□□to a variety□□f bacteri□ that can □elp b□ild immunity.鸟儿的□声□2>