Is the struggle with demons a mental one?
2Ti 1:7 For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind.
Mat 11:28 Come unto me, all ye that labour and are heavy laden, and I will give you rest.
Mat 11:29 Take my yoke upon you, and learn of me; for I am meek and lowly in heart: and ye shall find rest unto your souls.
Mat 11:30 For my yoke is easy, and my burden is light.
Joh 16:22 And ye now therefore have sorrow: but I will see you again, and your heart shall rejoice, and your joy no man taketh from you.
Neh 8:10 Then he said unto them, Go your way, eat the fat, and drink the sweet, and send portions unto them for whom nothing is prepared: for this day is holy unto our Lord: neither be ye sorry; for the joy of the LORD is your strength.
Gal 5:22 But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith,
Gal 5:23 Meekness, temperance: against such there is no law.
2Ti 2:19 Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, Let every one that nameth the name of Christ depart from iniquity.
Mat 7:21 Not every one that saith unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that doeth the will of my Father which is in heaven.
Mat 7:23 And then will I profess unto them, I never knew you: depart from me, ye that work iniquity.
1Co 13:13 And now abideth faith, hope, charity, these three; but the greatest of these is charity.
1Co 13:4 Charity suffereth long, and is kind; charity envieth not; charity vaunteth not itself, is not puffed up,
1Co 13:5 Doth not behave itself unseemly, seeketh not her own, is not easily provoked, thinketh no evil;
1Co 13:6 Rejoiceth not in iniquity, but rejoiceth in the truth.
Gal 5:16 This I say then, Walk in the Spirit, and ye shall not fulfil the lust of the flesh.
Gal 5:24 And they that are Christ's have crucified the flesh with the affections and lusts.
Be willing to abstain from sin allowing the Spirit to lead you.
Which the Spirit will not lead a person who holds unto sin for then how is the person being led of the Spirit.
A person led of the Spirit will do the things of the Spirit.
If you do that God will give you power, love, a sound mind.
Rest for your soul,.
Joy that no person can take away.
We can lose happiness temporarily for it is controlled by us.
But joy is controlled by God so when negative things happen that joy will be there.
Which the joy of the LORD is our strength for it keeps us having an upbeat attitude when living the Christian life.
Jas 4:6 But he giveth more grace. Wherefore he saith, God resisteth the proud, but giveth grace unto the humble.
Jas 4:7 Submit yourselves therefore to God. Resist the devil, and he will flee from you.
Jas 4:8 Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.
2Co 12:7 And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure.
Rom 7:25 I thank God through Jesus Christ our Lord. So then with the mind I myself serve the law of God; but with the flesh the law of sin.
If a person allows the Spirit to lead them then no devil can afflict them mentally.
God allowed Paul to be afflicted physically by a messenger of Satan to keep him humble but he was not afflicted mentally.
Mat 18:10 Take heed that ye despise not one of these little ones; for I say unto you, That in heaven their angels do always behold the face of my Father which is in heaven.
Mat 18:14 Even so it is not the will of your Father which is in heaven, that one of these little ones should perish.
Not all mental issues or any body issues are the rest of a demonic being.
For people are born with mental and physical disabilities but the devil cannot touch them and cannot influence them in any way.
Which the disabilities is part of the curse caused by Adam and Eve's fall.
So we can have disabilities without being afflicted by a devil.
Which bad genes can cause affliction later in life.
And afflictions can happen because of people bringing it on themselves.
Bad eating habits, alcohol, drugs, cigarettes, dare devil stunts gone bad.
And your every day run of the mill accident, head and body injury.