Has anyone had a baby who would do the same? DS is nearly 8mo, he's been rolling over like mad for a good few weeks, going commando for a couple of weeks and just started crawling. He is not sitting upright unaided though. He is not even interested, as soon as I put him on the floor sitting up he goes on his tummy and "walks" away. HV told me to start putting pillows round him to keep him upright and help him practise keeping the balance. He just pushes the pillows away and wanders off, very pleased with himself. Can someone please reasaure me that it's normal? Or at least almost normal?