I drink soy because I was pouring milk on my cereal very recently and it was bad and I started gagging and was almost throwing up everywhere so I can't do regular milk anymore. In regards to calcium intake, soy and reg. milk are the same (I checked b/c I was concerned about the same thing) so it's just preference!! But April is right, try drinking carnation breakfast as a snack or add some protein powder to your soy if you're concerned. Those babies will tell you when you need more if you do
I also enjoy a huge glass of chocolate silk milk at night...YUM!! I kinda want one now