Every child, whether they turned out wonderful or less than desirable, is to some degree the product of a mom and dad. It's true that some parents have invested very little enthusiasm into their children's development, but generally speaking, mothers and fathers dearly love their kids and want the best for them.
It is very difficult in this day and age to be totally satisfied with what we have at any given time. This is predominantly brought about by the enormous amount of advertising that hits us from every side - "You should have this."
You may think that God wants nothing to do with you because you have wandered away. You may think He has no desire to find one when He has 99 others. But that's not God's way. His way is the way of the deer hunter who searches diligently for the one who is wounded, hurt, and lost. His way is the way of persistence. And His heart is broken when the lost are not found.