Don't know how bad it is, but it sound risky to go against your docs advice. I assume you have travel insurance. Don't want to sound a party pooper, but if you go ski - your insurance will be invalid!!!!!!!!
If you have to cancel you should get your money back from the insurance.
Damn bad timing
If it was me and I'd been looking forward to skiing, which I am....roll on 7th Feb!!!!....I would go out the first day skiing and see how I felt, I could then decide to get excessivly drunk to kill the pain!!!!
Do option 5 then you will be so pissed that you wont worry about the pain and you could try bumboarding or something like that, also if you were that pissed you could do option 2 and say the drink made you do it. Whatever you do have fun. And see you in the buzz.