You are not allowed to urinate until the injection is complete (though you can immediately after).
JonThompsonsEmail
The photo rule takes effect at the moment you select the option. If you have pre-existing photos of you you are fine. But from this moment on... no more!
JonThompsonsEmail
I discussed this with some people in person and I think it has to be the case that, while picking this option makes it for sure true, people in the world don't necessarily know. The belief is out there, but people don't really know for sure. Otherwise the obvious action would be immediate suicide.
bryan.derksen
According to http://hypertextbook.com/facts/2001/DanielShaw.shtml 1 liter is at the very upper limit of the usual range of capacity for the human bladder, so most people aren't going to be able to hold that much and will risk rupture. Could be quite serious, and wouldn't be surprised if it'd lead to kidney damage and infection.