in or out?

if you were building a deck to one side of house, and installing fabby vintage french doors to same, would you have doors opening out onto deck, or inwards, as per your traditional exterior door? doors are on parliament hinges, so can be strapped back out of the way when open. I'm all for out opening, as one can utilise inside walls more fullsomely for furnishings et al. have just given the nod to chippies on same, but had a moment of ?