More teeth! More smiles!

Xander helps Dad compose a tune

Xander marked his half-birthday on April 4 and has come a long way in his first six months. He now has 8 teeth - four top, four bottom - is trying out so-called solid food (strained peas, yum!) and likes his new high chair. The teeth help give him that grown-up-looking smile.

"He's getting better at sitting up," his mom, Marie, said on April 24. "He can play with toys for a short time before he topples."

Read the full article and see more photos in Xander's gallery.