Diane, I've noticed the phenomenon you are speaking of and I think it's just part of everyone being different......some people are naturally tall and lean and some are big boned and compact, etc. I have two Mf, 1.5 yo, girls. Fidget is loose and slinky and slender. Fannie is solid and hard and compact (concrete ferret!). I've had them both since they were 9 wks old and their environment has been identical. I think it's just an individual difference. Now I have a question..... my kids are very, very quiet. They chatter/chuckle (I think this is dooking) and hiss (kind of a breathy humming sound) only when they are in the midst of a very intense chase/wrestling match. The rest of the time they are completely silent. I would love for them to be more vocal. Is there a way to encourage them to vocalize or is this just an individual difference, too? [Posted in FML issue 2943]