Happiness is secured through virtue; it is a good attained by man's own will.
My mother and dad were big animal lovers, too. I just don't know how I would have lived without animals around me. I'm fascinated by them - both domestic pets and the wild community. They just are the most interesting things in the world to me, and it's made such a difference in my lifetime.
If we let ourselves believe that man began with divine grace, that he forfeited this by sin, and that he can be redeemed only by divine grace through the crucified Christ, then we shall find peace of mind never granted to philosophers. He who cannot believe is cursed, for he reveals by his unbelief that God has not chosen to give him grace.