A mommy’s boy has a codependent emotional attachment to his mother, making them a formidable unit.
She sheltered him as a child, preferring to have him hang out with her than in the company of his peers.
This was selfish.
He didn’t have all that many friends growing up because his mommy wanted to protect him from the big bad world, and by so doing, keep her son’s love and attention all to herself.
This is usually how a mommy’s boy is cultivated and raised.
A man that has kids has to contend with the mother of his kids.
This creates a complication that has a potential to negatively influence the relationship you have with him.
The mother of his kids has a potential to create stress in a relationship when she persistently complains to him about your negative influence on her kids.
This is especially true when she still has feelings for her ex, who so happens to be your boyfriend.