There are the explicit rules and expectations. We're usually okay with those. We can sign up or not because the choices and consequences are pretty clear.
It's the unspoken rules and expectations that really get you. It takes a while to learn where the line is. But it's often too late when you find that line because you don't know where it is until you've crossed it.
And you know what happens then.
Hey! Why not decide to finally join The Lasting Supper? We're a community of fun-loving line-crossers!