A laugh bubbled up in her chest and Diana hugged her sister back tightly, her hand stroking her sister's hair. "I suppose I was worried I might lose it before I could tell you," she replied with hesitation. "That happens to some women you know, Tavie." She pulled away, hand to her stomach again. "But please, don't tell Will, I wouldn't want him to worry. I shall tell him soon. I just... I need a little more time."