Angels have a unique way of interacting. If they like you, they often will do everything in their power to keep a connection with you, including trying to test your energy level. Their doing so may cause you to begin to feel frustrated and angry.
If you are speaking with the Lord God Almighty and you begin to feel frustrated at your inability to properly connect with him, one of two things may be happening. Either the devil and his emissaries are trying to disconnect your connection to God, or the angels in heaven are trying to fiddle with your energy level.
The Lord God Almighty El Shaddai