Does anyone make you laugh like your sister?

~~~ Here's a direct link to the video if the play button above doesn't work in your browser. Sorry the video is dark -- I wish I knew how to edit video like I can edit pictures with Photoshop. Oh well... Thank you so much for the incredibly reassuring/rational comments about "normal" toddler development. I could actually feel my shoulders relaxing (that's saying a lot for a stress puppy like me) as I read each one. One of my favorite comments was "We all have our strengths, toddlers included." So true!!!