That's not to say you should teach her to pursue victory at all costs, but she should know that only one team can win, and it's OK to want it to be hers.
Short of this kind of transmutation, what belongs to one spouse, individually, will continue to be his or hers alone--as long it's maintained separately during the marriage.
James' mother described it as "a stupid, silly little mistake" of hers to let go of her child's hand for a few seconds on 12 February 1993 at the New Strand Shopping Centre in Bootle.