Hi Rebgirl,
It is a great loss when someone close to passes away and what makes it worse as in your case when they are so young, but life go's on so just remember the good times that you had with your Daddy, also you know he would have wanted you to be happy not sad.
Your sense of loss will pass in time but you will never forget your Daddy.
Please accept deepest sympathy for you great loss and keep your chin up and be proud of your fathers memory.
Yours sincerely Greenthing.