God is the God of the universe, He can handle your anger. Go ahead and tell Him. Tell Him why you’re angry. Tell Him why you feel betrayed. Tell Him why your upset and let Him work through that. You will never resolve anything by hiding the truth from God.
Christianity doesn’t just still matter, it matters even more in a world starved of true freedom and hungry for authoritative truth. Now more than ever, we need to help the broken find redemption, and the one true voice they are starving to hear.
When you’re going through a valley, sometimes it helps just to acknowledge it’s presence.