of law. Id. The point of error should be sustained only if the contrary proposition is conclusively established. Id. Here, YAJF contends the trial court improperly considered its alleged efforts to unreasonably and unnecessarily delay the resolution of the case when awarding an excessive fee. Dunleavy argues he was required to continue his representation; therefore, YAJF is required to pay the costs necessarily associated with its effort to drag the case on for years. Guardian ad litem fees are not a sanction for wrongful acts by defendants. But if the acts of the defendants, wrongful or not, prolonged the proceedings and necessitated continued guardian ad litem services, those services are compensable to the extent they are reasonable and necessary. See e.g., Jocson, 133 S.W.3d at 270 (<HOLDING>). However, because we have already determined
holding that a client only waives the privilege to the extent necessary to reveal the advice of counsel he placed at issue holding that an unscheduled creditor had constitutionally adequate notice of the bankruptcy proceedings because it had sufficient information to evaluate whether to participate in the case and protect its interests holding that plaintiffs must allege and can only recover to the extent that they have been injured  by the conduct constituting the violation   holding a guardian ad litem is required to participate in the case only to the extent necessary to protect the minors interest and should not duplicate the work performed by the plaintiffs attorney holding that to the extent plaintiffs present action is based on conduct subsequent to the original action it is not barred by the prior litigation