Every once in a while my two daughters actually play together happily for a few minutes. I expect that this will become more common as they get older, but for now it remains an occasional gem. Last night, S. (age 2.9) was wearing the Mrs. Potato Head lips in her own mouth and K. (age 0.9) came up to her grabbing at them. S. actually let her take them, (without shrieking in rage), and then grabbed them back and replaced them in her mouth. They repeated this little game about ten times, laughing hysterically. It was so nice to see them enjoying each other. It kind of reminded why I had wanted S. to have a sibling in the first place.