On Friday I became a grandma. My oldest daughter became a Mom and Ainsley an aunt. Which by default then made my husband a grandpa. Robot Baby Lucas joined our family this weekend. And it was nostalgic, fun, comical and a little bit crazy bringing a pretend baby home. But it was also a whole lot more than that too. The road to toy robot baby Lucas began last year when Payton, then 15, told me she wanted to take a parenting course at school. She was giddy over the prospect of having Robot Baby for a weekend in grade 11. Initially I balked. How does a parenting course prepare you for a…