memory machine

Alphys invites everyone to test out a memory machine but something goes wrong. she invites Sans, Papyrus, Toriel, Frisk and Undyne but when she hooks Sans up to the machine she can't stop it and Sans is forced to sit through the memories of his childhood and adult hood. some he wants to rember like Faster but other's...less so. So let's see just how many secrets our little skeleton has and how everyone will react