It is NOT "giving up" your Free Will.

With my free will, I can choose to live more spiritually, which means be more loving and tolerant, less judgmental. I don't need to force things into place.

I can use my free will to be in a more joyful place by letting go of expectations. 

I can use my free will to enjoy this ride, up and down, this way and that, by staying centered and connected, rather than being pulled into any direction by any other person, or fighting the ride by trying to force it to go in any particular direction.

Spirit can give me a better ride. I just have to go with it.