The will's operation is quite distinct from the will's feeling: By its operation, which is love, the will is united with God and terminates in him, a… - John of the Cross

Happiness is not a destination, it's a method of travel.

Miserable man that I am, what fellowship hath my perverseness with Thy uprightness ? Thou art truly good, I wicked; Thou full of compassion, I impious; Thou holy, I miserable; Thou just, I unjust; Thou art light, lam blind; Thou art life, and I am dead; Thou art medicine, I am sick; Thou supreme truth, and I utter vanity.’ It is, therefore, supreme ignorance for anyone to think that he can ever attain to the high estate of union with God before he casts away from him the desire of natural things, and of supernatural also, so far as it concerns self-love, because the distance between them and the state of perfection is the very greatest. For Christ our Lord hath said, ‘ Every one of you that doth not renounce all that he possesseth, cannot be My disciple.’ The doctrine of Christ which He came into the world to teach, is contempt of all things, that we may thereby have power to receive the reward of the Spirit of God. For he who does not withdraw himself from the things of the world, is not qualified to receive the Spirit of God in the pure transformation.

This love has in it something of the most perfect union with God, and thus partakes in some measure of its properties, which are more especially actions of God received in the soul rather than of the soul, in which they subsist passively, the soul giving its consent thereto.6 3. But this warmth and force and temper and passion of love, or burning, as the soul calls it, are solely the work of God Who is entering into union with it. The more the desires are restrained, subdued, and disabled for the enjoyment of the things of heaven and earth, the more room does this love find in the soul, and better the dispositions for its reception, so that it may unite itself with that soul, and wound it. This takes place, as has been said before,7 during the dark purgation in a wonderful way, for God has so weaned the faculties, and they are now so recollected in Him, that they are unable to take pleasure as they like in anything whatever. 4. All this is the work of God; wrought