I had a bad hair day... make that a bad block day

Although I got the 2nd course of the west wall laid today, I had a rough time all day as my blocks kept breaking when I tried to bore holes for the rebar... 5 blocks in a row shattered! I also got more of the north wall laid. Now there are only about 5 or 6 blocks to be mortared in on the front (north) wall. Hopefully, if I can figure out this block breaking problem, I can shift into overdrive and get these AAC block walls laid. Here is today's west wall: