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主□探讨□/h2>
<□2>真爱不分年龄与□表<□h2>
剧□设定
<□>But kissing□□s not□j□s□ a romanti□ gestu□e—it□also □as scient□□ic benefits. Wh□n□w□ kiss, our brains r□lease a cock□ail □f chemica□s li□□ oxytoc□n, do□amine,□□n□□serot□nin, □n□wn as □he□"love h□□mones." These che□icals□□an□reduce□s□ress, boost mood, and cre□te feel□ngs of attachment and □onding. K□ssing als□ st□eng□hens □□r i□mu□e system by exp□sing □s to a □ariety of bacteria that c□n□h□lp build immu□ity.□/p>