What should I do?

I think of this question for few days edi since the day result out.
I still dunno m i making the right choice.=/
Whenever I looked at the p4 notes,
I will think that should I switch to P5?

I'm afraid that I will regret to do P4 again.
I'm afraid that on 9th Dec 2010
when I look at the question I still dunno how to ans..
I'm afraid that I dunno how to ans hedging ques.
I'm afraid that the new examiner will come out more diff ques...
I'm afraid........................................

Many frens decided to do P5.
But P5, a new paper...
Although it is a combination of P3 and F5,
I dunno how much knowledege left in my brain..
Should I try when there are oni 3 mths left??
what if the new examiner oso come out with more diff ques?

OMG!!What should I do now???
If cant settle down, how am i going to start?

T.T