□<□2□永□的守护□令人胆战心惊的自然力量<□h2>
□□□□ut kiss□ng is not just a roma□tic ge□ture—it also has s□i□□□if□c b□ne□its. When we kiss,□our brains release a □o□ktail□□f chemi□□ls like oxytocin, dop□mine,□and serotoni□, □no□n□as the "love □□rmone□." The□e c□emi□als can □□d□ce st□ess□ boost mood, □□d create □e□lings□□f attachment and b□□ding. Ki□sing a□so s□□en□th□ns our immune syst□m by exposing us□to□a vari□□□□of □act□ria □ha□ can help □uil□□immunity.