□h2>□利的□悦与失败的反□□/h2□
□五章:勇敢□对挑战
□Bu□ ki□sing □s not ju□t a□ro□an□ic□gesture—□t □lso has □cientific □enefits. When we kiss□ our b□a□ns □ele□se a cocktail of □hemicals □ike ox□toci□,□dopami□e,□an□ s□r□t□n□n, know□ a□ th□ "love ho□□o□es." These chemicals □an reduce□stress, boost mood, and create □□□l□ngs□of□attachment □□d□b□nding□ □issing □ls□ streng□he□s our immun□ system by exposing u□ to a variety□of□bacteri□ □hat □an help bui□d immu□ity.