How can one live with such threats?

Moderator: blackrose
Okay, but let me rephrase.Lady Casper wrote:Here is something that has been plaguing me.
Say you want your NC-17 to be AU, but you don't want it to appear that way at first. For instance, Beautiful Morning, Relena is happy feeling content being beside Heero. But then all of a sudden Heero bites her neck making her bleed.
From cozy and soft to hard and angst. How can you do something like that with out becoming like you missed something and confusing the reader?