Spiritual Warfare is a lot of things...one is what you said, when you have these conflicting things and get all frustrated and worked up, it's these little demons getting at you, but a lot of opeople don't see it that way. What you can do to prevent this is to ask to be covered in the blood of Jesus Christ of Nazareth, and to put on the Armour of God. The passage in the bible is Ephesians 6:10,
www.biblekingjames.org is the bible on the net from Ray. Another type of warfare could be when you're actually physically being attacked in the spirit as in a dream or while awake. If you search through Ray's occurences this happens many times. Also another warfare is happening 24/7 between Angels and Demons, that we're not aware of. Here's what occurs when your prayer language changes into tongues...the devil and his demons can't understand it! It's a language that only God knows, and every so often you will understand what the tongues you spoke are about, but often you won't. It's his way of helping you in your prayers, so that you can't be attacked about the subject.