□ut kissin□ is not j□s□□a romanti□□□e□ture—it also has scientific benefits. When we□□□ss□ our brain□ release □□cocktail of c□e□icals□like o□ytocin, □opamine□□and serot□□□n, known □s the "lo□e□hor□one□□" T□□se□ch□micals can reduce stress□□boo□t mood,□and create fee□□□gs of attachme□t and bonding. Kissing also st□engthe□s our immu□e syste□ □y □xposing u□ to a variety of bacteria that can □□lp buil□ immun□ty.<□p>
□四集:梦□追□
友情与背□
□第一滴血□□血□□现