*The thing that stops one of the DM's plans cannot be that a particular character is gay.

*As a DM, not allowed to roleplay Cthulhu anymore.
**Seriously, breaking the fourth wall makes it creepy.

*If everyone greets the warforged by slapping him in the face, kissing him twice on the cheek, and then whispering in his ear, that is fine.
**What is not fine is me physically demonstrating on the warforged's player.
***No matter how much he appreciates it.
****No, it does not 'add to the experience.'