Kevin Federline has confided to a gossip, “People are telling me I should take the kids away from her. I’m glad the world is finally giving me the benefit of the doubt that I’m actually a good father.�?

Even Britney’s family is concerned about the divorce’s effect on Sean and Jayden. “Brit needs to not talk bad about the kids’ daddy, especially around them,�? Barry Bridges, the brother of Brit’s mom, Lynne, tells Life & Style.

A second Britney insider says that being at home with the single mom, 25, is just as unstable for her kids. “It’s tragic what these boys are exposed to on a daily basis,�? the insider says. “Kids thrive on routine and the feeling of safety, and Sean and Jayden have neither. Their lives are subject to Brit’s whims.�?

When Britney and Kevin were first married, she objected to his smoking around the kids, the insider notes, but now “she smokes like a chimney in front of them.�? Even worse, when Brit misplaces her pack of cigarettes, “she’ll actually turn to Sean and say, ‘Baby, where are Mama’s lollipops?’ Sean runs, gets her cigarettes and brings them back to her.�?

Brit’s also constantly handing off her kids to bodyguards, nannies, even strangers. “She has a short attention span, and that applies to caring for her kids,�? says the insider. “Jayden is at a fussy stage, and when he starts crying, Brit hands the baby to a bodyguard to calm him down. When she needs a break, she gives her boys to the nearest person — even shopgirls at clothing stores!�?