Approximate number of tissues provided to weepy guests over the years....250,000
Number of times Oprah has cried on-camera......................79
Percent chance that Oprah will cry during the final episode on May 25....100
Other things that made Oprah break down:
1994: Her surprise 40th birthday party
1996: A show titled "Nobody Knows I'm Homeless"
2002: Hearing Toni Morrison read from Sula
2005: Visiting mayor Ray Nagin in New Orleans after Hurricane Katrina
2007: Sitting down with children of divorce
2009: Talking with prison inmates about how pet dogs have changed their lives
2010: Listening to Dolly Parton sing "I Will Always Love You"—after Dolly dedicated the song to Oprah. Aw!