Through stimulation

In this world the need to poo and pee is a given only by stimulation. This is either by using a hand or object to manually insert or jerk said body part of loosening their contents.

So if a man wants to pee, he has to either stroke his cock himself, or get someone to do it for him. Vice versa, if a woman wants to pee she has to use her finger, someone's else or an object of some kind.

Now going for defecation, the only way forward is to use your own finger to tease your anus or insert an object before quickly pulling out. This again, could have someone helping you.

This process has led to a rather slanted society. So who and where are you?