In your view, wisdom is an illusion. So is peace. Are not these just specific neurotransmitter configurations? Nothing more. The only 'wisdom' that makes sense according to materialism is: "Eat, drink and be merry, for tomorrow we die!" The only peace that can be gained from materialism is not acceptance of, but numbness to, the absolute vanity of existence and the absence of anything that transcends the merely physical.
I love my wife and kids.
I'm glad that you love your family. Guess what: I love mine too and I'm trying to love yours too, because we're not that different.
And yes, we live in an illusion, fabricated by our brains. But, regardless of what reality really is, what we feel is what matters. Your love for your family is what matters. Your happiness is what matters, to you. And if you don't believe that we live in an illusion, take a look at this image: http://web.mit.edu/persci/people/adelson/checkershadow_illus...