The second photo shows how relaxed Uncle Mark has become with all this baby exposure.
Craig has the babies at attention because he is feeding them something. This photo also demonstrates the ongoing discrepancy in head circumference between Callum and Avery. (sorry Bri but it had been awhile)
Lastly, Avery and Seamus bond over their love of computers. Seamus had to lock out the keyboard so that Avery did not blow up Mom's computer with all her fancy keyboarding skills.
