They hadn't known each other for that long, so why were they being so familiar with each other?

She drew in a sharp breath, then turned in her heel and headed to Sheldon's room.

Tilda found the little boy reading a picture book.

He perked up when he heard her come in, and called out to her in a sweet voice. "Tilda!"

"Hello, there." She picked him up and carried him to the small couch.