Dont let it kill your love for guitar! It happens to all of us. The really good guitar players are the ones who can just bust through that and keep on going. Hang in there!
As far as tips, I'd say do hand exercises - like that gripper tool you can get, something where you're just strengthening your hard and not really playing guitar. It's easy to do without thinking, like when you're watching TV.
Then after awhile, when you go to play guitar, it won't be so frustrating.