Scott Disick's problems with alcohol are the cause of the discord in his marriage to Kourtney Kardashian, a source told TMZ.
It wasn't necessarily the fact that Disick parties too much " he makes a nice chunk of change for his club appearances " but that when he drinks, he goes too far.
The sources told TMZ Disick promised to lay off the drinking and so far so good. At a gig Saturday at Harrah's Pool After Dark, he didn't take a single drink, brining home $50,000 while he was at it.
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