Back threading? Totally cool with this.
Thread hopping? As long as you ask before you jump in, I can't think of reason why I would say no.
Hugging/kissing/touching/romance? LOL go for it. He's likely to sputter.
Pushing/Hitting/Spitting? Well if your character wants the snot beaten out of him or her, I'm easy.
Anything NOT allowed? Not really, I'm ( Read more... )