In general, though, if the kid and the ex-partner were close, then parents should do what they can to make it easy for their child to stay connected.
In truth, most ex-lovers are not going to want the contact.
For example, Hadfield found that custodial parents wanted their new partners to take on a parenting role with their children, as well as being the parent's romantic partner.
Parents figured that a new adult in the home would help them put some much needed distance between the family and the last romantic partner who was there, whether that person was the children’s biological parent or not.
All those online dating sites are doing what they were intended to do.Lately, I’ve noticed a pattern of serial romantic relationships among friends who are dating online.They meet, and a few months later, introduce their new partner to their kids.The only time it came up was in the US where mothers told Hadfield they sometimes didn’t invite their lovers to live with them and their children because it would do nothing but add one more mouth to feed.After the Relationship Ends: What do we Tell the Kids?The fact is, kids don’t really want to meet all those new partners, even if they say they do.