fake tan - yes, but test somewhere unobtrusive as skin can react differently when pregnant
pineapple - yes. you have to eat 7 fresh ones per day to get the enzyme effect needed to ripen the cervix, so half or a tin won;t be an issue, IMO. but the heartburn will bring you weeping to your knees
gaviscon - i drank it neat from the bottle without measuring it, so IME , no such thing as too much !!
being late - yes, you could well be late again, but i thikn you remember me mentioning client induced twice at 42 weeks, then 3rd baby arrived 2 weeks early..... i would think in terms of 41 weeks being when you should expect to have the baby. anything earlier is a bonus !! unless baby is particularly unhappy in utero, you can hold out with expectant management, until 42 + to have a spontaneous birth.
quick labour - impossible to answer ! but get DH trained to snap on the marigolds and have the hospital on speed dial just in case
no you are not off your head