Suicidal thoughts are often hidden. Here's how to talk about it.

In Stephen "tWitch" Boss's final Instagram video, a Christmas tree twinkles with white lights as the famous dancer and "Ellen" DJ fluidly bounces to an upbeat song. As he and his wife, Allison Holker, bop to the rhythm, he smiles. He looks happy.

A few days later, on Dec. 13, in a motel room, the 40-year-old father of three died by suicide, according to the Los Angeles coroner.