Hi everyone! My DH, myself, and our 3 year old are flying to Disney World next month. I am a COS, and I have purchased myself 2 seats to save the embarrassment of trying to squeeze into one seat. I know I am supposed to preboard to guarantee myself 2 seats next to each other. I have 2 questions. When am I to preboard? Can my DH and 3 year old daughter preboard with me so we can sit together? I'm just afraid that if I preboard and my DH and daughter come on later that my daughter will get very upset thinking mommy is leaving without her. We are flying from Buffalo to Orlando if that matters. Thanks for any answers