[@Mistress Dizzy] 1) Shouldn't be a problem
2) Think of it like being read your rights by a British Bobby "You do not have to say anything. But, it may harm your defence if you do not mention when questioned something which you later rely on in court. Anything you do say may be given in evidence.”

Pretty much, give me an idea of your character and what they can do. If you try to asspull your way out of a scene your character sheet will tell us.
3) No specific timeframe. But the scene will need to move at some point.