My three month old son is very, very strong. He can grip our fingers very tightly, and has kicked and
bruised us by accident. Sometimes when I'm holding him in front of me and kissing him or just looking at him, he puts his legs straight down, as if he's standing. If I put any weight on his legs, he bends his knees and kind of bounces and giggles, or he kind of stands the way babies who can't ...