To assess emotional over-involvement, the researchers looked at the extent to which family life centred on the child, and whether the mother was happy to leave her child with others and whether she has interests which are not related to the child.

BBC: NEWS | Health | Donor embryo children 'not told'

Aniston plays Sue, a buttoned-down travelling saleswoman (she deals in decorative art), whose obsessions over charitable causes help spare her any emotional self-involvement.

NEWYORKER: Management