"But, as those cases show, in the absence of an express post-acquisition agreement, a court will be slow to infer from conduct alone that parties intended to vary existing beneficial interests established at the time of acquisition." 20. Mrs Gowling was unable to tell us of any decision where it has been held that such a variation of beneficial interests has occurred in such circumstances. I cannot help but wonder whether the judge realised what a rare bird he had discerned in the unpromising factual circumstances of this case. 21. The task of the court is as Lady Hale said in Stack v Dowden[2007] 2 AC 432 at paragraph 60… "to ascertain the parties' shared intentions, actual, inferred or imputed, with respect to the property in the light of their whole course of conduct in relation to it." 22. Lady Hale referred with approval with what was said by the Law Commission in "