We often think that we work so we can get the reward, but the work is the reward, and then we get to enjoy it.
God created the heavens and earth in six days and then he rested.
I think he enjoyed creating, because he was creating His reward, and now he can enjoy His creation, even us.
We also can work to create our reward, not to seek rest, but to enjoy what we've created, and God is there creating with us, so that we enjoy life together.
We work for others to enjoy, for God to enjoy but it's not the work that's the end, but the love displayed therein, which connects us all together, especially with God.
In this way, we will enjoy each other forever, all because of who our God is.