Dd is on a ventilator when asleep and 'bad times' I no people will stare and it bugs me no one asks if they are so interested! Today during a 15min bus journey an elderly woman stared constantly at dd's vent (which is kept in a see through box under pushchair) I was really annoyed! If its not dd they stare at its e vent so I thought about putting a little sign on it say " it's called life support, not a freak show.... Please don't stare" AIBU?