Do you know what extension he's on? mutantpharma.net Children basically want to be with their mom and dad, and this doesn’t mean they don’t like their parent’s new partner, but they do want to spend most of their time with their parents, so there is a place for your partner in your children’s life and a time when it is good for them not to be present. However, you could spend some time together with them, like part of the weekend or a few special outings and that way you are both involved at some level, but you don’t crowd the child/parent relationship.