John Piper wrote a classic book, Desiring God in which he introduced a philosophy of Christian living called "Christian Hedonism" ( God is most glorified in us when we are most satisfied in him). In his book, "When I Don't Desire God, Piper addresses the question he gets asked the most, "What do I do when I don't desire God?" Although you don't need to read Desiring God to understand When I Don't Desire God, but it would be helpful.
In the sermon I read a portion from the forward:
- "When all is said and done, only God can create joy in God. This is why the old saints not only pursued joy but prayed for it: “Make us glad for as many days as you have afflicted us” (Ps. 90:15). To be satisfied by the beauty of God does not come naturally to sinful people. By nature we get more pleasure from God’s gifts than from himself."
Here's a free pdf excerpt of this book.