To add injury to insult with that home purchase you are physically stuck and have his huge mortgage payment that constricts cashflow.

I just did a lot of the physical work and didn't learn about the money part of it.

They went to the bank, put in the money, and got a deposit receipt. they had physical proof that they had paid and I could log in and see the deposit. 

I tend to visit them a couple times a year for maintenance or if I need to be in that area for something else, otherwise I have very little physical contact.

Lenders who do not have a physical branch in Texas do not have the ability to write cash out loans here and they can be a little tricky if someone is not accustom to writing them.  

Get their physical address and mail them a written "Thank you" note within 12 hours of the meeting.The fact that you're even asking this question suggests you'll probably do well during the meeting no matter what.

I've just been trying to work so hard and fast I completely neglected my physical health, my relationships, and my sanity.

It is brutally hard mentally not physically but keep in mind you can do very well. 

Another option would be if your accountant (or other professional) would agree to have your business license information registered to their physical address and files are certainly stored there.   

So financing in your name and the actual physical property itself in the LLC name.