.He should tell his solicitor. It may be material in assessing the future financial needs of the parties.That sounds cynical but it's a consideration, not perhaps one of any particular importance in this case and these circumstances, but it can be material in some cases.What the solicitor does with the information is a matter for the solicitor's professional judgment in the particular case but he or she needs to know;The solicitor will not thank him for keeping the solicitor 'in the dark' if the fact of it emerges and the other side tries to make an issue of it, however unimportant it turns out to be..