Religion. It is a more interesting subject for me to talk about than the other four.
Well if that's not the toughest question I've ever heard on EP..
Sports: Most easily accessible and won't lead to an early grave.
I think I would pick sports
I'm obsessed with food but I'm not overweight so its okay ^-^
Religion and sex
money sex food in that order
Sports. I can talk about it all day without anybody getting bored of me.