When did y'all start using sippy cups? My little one is 8 months almost 9. And she has no teeth but does eat food. Please DON'T judge her doctor says to let her get used to swallowing food and to work her jaw since she's been having trouble to which we had to see a specialist and thankfully she's better at it. She isn't fond of baby food so we give her easy things like mash potatoes, bread, fries, mashed beans, cheese sticks, crackers, cereal. She may not have teeth but she doesn't give up which...