Charlie Sheen is acknowledging he has a substance abuse problem, and he's hired a sober coach to hang with him ... TMZ has learned.
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.
Charlie Sheen Loses Wife,
Gains Sober Coach
11/3/2010 10:00 AM PDT BY TMZ STAFF
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