6pt,

It sounds like the bow may not be exactly right for you. You may want to check to see if the draw weight can be lowered a bit. You may also want to go to a pro shop and have your draw lengnth measured.
Then I would check to see if the draw lengnth of the bow was the same.
If it wasn't, I'd see if the draw lengnth could be adjusted to fit you.
Those are two things that I think will get you headed in the right direction.