David glanced around, even though there was nobody close to hear. "We both needed it, I think," he said, smiling at Rhiannon. "We've become quite close, haven't we, dear? But-" and he gestured to Patrick to keep his voice down. "We haven't told the twins yet. We are just a little afraid of how they will react, and... well it's nice, having our little secret, isn't it?"