<□>But ki□sin□ is n□t jus□ a roma□□□c gesture—it also has □cientific benefits. When we ki□s, our □rain□ releas□ a c□ckta□l of chemicals l□ke oxytocin, dopa□in□, and s□rotonin, kno□n□as the "love □□rmones."□T□ese chemicals ca□□r□□uce s□ress, boost m□□d,□and □reate feelings □f att□□hmen□ and bon□ing.□Kissing also□□trengt□ens our immune syste□ by expo□ing□□s t□□a□va□ie□y o□□□acter□a that can he□p □uild □mm□nity.