Charlie Sheen Loses Wife, Gains Sober Coach

Charlie Sheen is acknowledging he has a substance abuse problem, and he's hired a sober coach to hang with him ... TMZ has learned.

Sober Coach

Well-placed sources connected with "Two and a Half Men" tell us ... the sober coach is living at Charlie's house and accompanying him to work. 

Charlie has spent time with sober coaches in the past, with mixed success.