I understand from the question that you provided that you are the plaintiff in the divorce lawsuit. You did not indicate the grounds upon which you filed for divorce, but I imagine it was cruel and inhuman treatment. Carrying on a relationship before your divorce would be considered an adulterous act and are grounds for your spouse to counter sue for divorce .
If you have your boyfriend move in, it may affect the judge’s opinion whether such an environment is good for your children to be raised in. This may in turn influence the judge’s decision regarding child residential custody.
The division of assets, including the business, is separate from the consideration of the grounds, which grounds will generally not affect how the assets are divided unless the case is extreme.
Your case, which includes drug abuse and alcoholism may qualify as such an extreme case. It will depend on the specific facts involved.
If you living in the New York City metropolitan area, I strongly suggest you call me at 212-370-1660 to discuss mediating your divorce.
Leonard M. Weiner, Esq./Divorce Solutions