What is the impact of Rule 37 on matrimonial litigation?

I say it is important in the context of matrimonial litigation because such litigation gives rise often, and did in this case, to discrete questions arising under two statutes: custody, access and support under the Divorce Act, and division of matrimonial property under the Family Relations Act. Rule 37 is really not apt to cases with such issues, but nevertheless offers to settle should not be without impact on costs in matrimonial litigation. Gold v. Gold, of course, was concerned only with the division of property.