] Aron also noted that the research answered the "historic
] question of whether love and sex are the same, or
] different, or whether romantic passion is just warmed
] over sexual arousal." He said, "Our findings show that
] the brain areas activated when someone looks at a photo
] of their beloved only partially overlap with the brain
] regions associated with sexual arousal. Sex and romantic
] love involve quite different brain systems."

In other news: The sky is blue.

Sex alleviates tension. Love causes it.