Here is son number two celebrating his 21st birthday:

So I guess we’re all done with parenting now, right?

Okay, maybe not.

At any rate, it seems to me that, to a parent, your child is a bit like a palimpsest: beneath the current surface are all the other layers of his life, visible only to you.  So beneath that smiling adult face I still see this guy:

And this guy:

. . . and a million others in between.

Happy birthday, Mark!