1．Romance does not have to fizzle out（失败） in long-term relationships and progress into a companionship/friendship-type love, a new study has found. Romantic love can last a lifetime and lead to happier, healthier 1 .
"Many believe that 2 love is the same as passionate（多情的）love," said lead researcher Bianca P. Acevedo, PhD, then at Stony Brook University (currently at University of California, Santa Barbara). "It isn't. Romantic love has the intensity, engagement and sexual chemistry that passionate love has, minus the obsessive component（过度成分）. Passionate or obsessive love includes 3 of uncertainty and anxiety. This kind of love 4 drive the shorter relationships but not the longer ones."
