Sometimes I wonder why I keep doing this to myself as well, but just can't seem to shake it off. I love building bows and I learn something from each one, and each one gets better even if it fails. I improve some part of the process regardless.
I am slowing way down in this incredible heat we are having though. You folks in Texas, Arizona, and other southern states are used to heat over 100 deg.F but that's not normal for Missouri.
Hang in there Kris, the troubles will pass. Scrape up all the broken bows from your shop, carry them all outside in the back yard, make a bon fire and burn the bad charma. Sweep all the shavings, sawdust, ect from any remnants of bows past and get rid of it.
Start fresh with a fresh clean shop, maybe that will do the trick.