Andrea all the feelings your having is very normal post-partum. You're tired, stressed, overwhelmed, happy, ecstatic, proud, yada yada yada........it's a real rollercoaster until the baby gets on a very set schedule & sleeps most of the night......it will get better!!!! Remember it's ok to ask for help, to take time for yourself & time as a couple. You need to recharge the system. Mike & I (when our boys were babies) would take one night & sleep at a motel....with no kids!! So worth it if you can find someone to stay with the baby!!
We did soy on all 3 boys (yuck!) It stains anything white if they drool or spit up on themselves & it stinks.....but that said.......if they can't tolerate milk, then soy is the next on the list to try. I was so excited when I had foster babies that were on milk based formulas......lol
Some babies are just colicky.....ALL THE TIME & it doesn't matter what they drink or from what bottle. Bouncing on your knee, rides in the car, baby swing (do you have one of those....if you don't.....GET ONE!!).....motion seems to help.
Good Luck, hang in there & know, we've all been there & done that....you're not alone!!