结局与反思□2>
<□2>探索未□的新世界
Bu□ □issi□g i□ not□just a romanti□ gesture—□t also has s□i□ntific benefits.□W□□n we kiss, our brains release a c□□k□ail of□chemical□ like oxy□ocin, dop□mi□e, a□d□ser□toni□, know□ as □□e "love ho□□one□." These chemicals can reduce stress,□boost mood, and c□eate f□el□□gs o□ attac□men□ and bonding□□Kis□ing also s□rengthens ou□ i□mune sys□□□ by exposing □□□to a var□e□y of ba□teria that ca□ □□l□ build□□□munity□赤壁之□,荡平东吴□2>