I never posted Drake's 4 month stats, so I'll go ahead and do it a month late. He was 27 1/4 inches long (97%), 16 lbs 12 oz. (79%), and his head was 17 inches around (68%). He is following in the footsteps of his older brother who had almost exactly the same measurements at 4 months old.
The boys are both doing great. Drake cut his first tooth a couple of days ago. Jackson's new favorite phrase is "I can't" which, after each utterance, I quickly instruct him to never say again. Drake is once again waking up multiple times each night, but we still hope to break the habit soon.