Man’s quest to make 10,000 friends Video

Now Playing: TikTok’s biggest stars reveal what makes the platform so popular

Now Playing: Texas man claims he killed his wife while sleepwalking

Now Playing: Astonishing admission from Gordon Sondland

Now Playing: 9 members of American family killed in Mexico

Now Playing: Man’s quest to make 10,000 friends

Now Playing: Democrats declare victory in off-year elections

Now Playing: Impeachment resolution passes

Now Playing: Congresswoman resigns

Now Playing: House Democrats to hold vote on next steps in impeachment inquiry

Now Playing: 2019 World Series Champions

Now Playing: New wildfires force evacuations in Southern California

Now Playing: Growing effort to free convicted killer on death row

Now Playing: National security official testifies to Congress

Now Playing: More power cuts expected for nearly 1.5 million residents in California

Now Playing: Brain surgery livestream

Now Playing: Grandfather arrested in granddaughter’s fall from cruise ship

Now Playing: California fires forces tens of thousands to evacuate

Now Playing: Army official to testify in impeachment inquiry

Now Playing: Becoming Beetlejuice

Now Playing: World Series Game 5 recap