Riding Season!!, originally uploaded by aldo c zavala
I'm learning a lot from being a dad.  This month I learned there is a difference between actual "crawling" and just "pulling yourself around the room."  Ashley was doing an effective army crawl last month.  Now she is honestly hands-and-knees crawling. 
Everything has changed again.  I installed a baby gate at the top of our stairs not a day too soon; her new hobby is crawling to the edge and throwing down toys.   She also enjoys opening drawers and slamming them shut, and reaching for electrical outlets.  All of a sudden baby-proofing makes sense.