How small is Aidan?

I've heard from many that the pictures don't convey how small Aidan actually is. Several people who have seen the blog, then seeing Aidan are very surprised how small he is.

Here is my wedding ring on me:




Last week, we took pictures of Aidan wearing my wedding ring as a bracelet. The ring is actually loose on his arm:





So I guess his arm is thinner than my ring finger, and about as long as my middle finger...