Day Two Hundred and Eighty Three: ALL Smiles

Our son is the happiest baby alive. I ask the doctor about this all the time, you know nature vs. nurture. Is this a genetic trait or is it his environment? The doctor said it is a mixture of both, but the majority is his environment. He said behavior is learned. How sweet. Little Toots always makes people smile; it's contagious. He even smiles in his sleep: