A Friendly Ghost Story

It's one of the most common and infuriating friend mysteries out there - a friend disappears into thin air. But where do these ghosts go? And why are we so haunted by them? <em>If you or someone you know may be considering suicide, contact the </em><a href="http://suicidepreventionlifeline.org/"><em>National Suicide Prevention Lifeline</em></a><em> at 1-800-273-8255 or the </em><a href="http://www.crisistextline.org/"><em>Crisis Text Line</em></a><em> by texting HOME to 741741.</em>