They genuinely help me with my anxiety and depression, I have struggled with these issues since I was 11.

I think that his backing out may have to do with anxiety. 

Books that have helped calm my initial anxiety about purchasing an asset that I cannot physically see on a daily basis and have helped me narrow down my top markets have been David Greene's Long-Distance Real Estate Investing & David Lindahl's Emerging Real Estate Markets.

I would be totally dependent on my contractor for the entire renovation and that creates anxiety for me.

Hello anxiety and cold feet.

If you have test anxiety, take a lot of practice exams when you've completed all your course work.  

I know a lot of fear and anxiety will go away after that first deal is made and buying the second will be twice as easy.

I don't know if this lady is on drugs or has massive anxiety, probably both. 

What if:I purchased the home from them and we closed as soon as possible, and then I would lease-back the home to them for the next 3-4 months, depending on how much time they think they'd need for their new home to be completed.Seller Benefits:Reduce anxiety of possibly having two mortgage paymentsEliminate the need for moving twice - once after the close of this sale, and then into their new homeReduce anxiety of trying to find big enough space that is also pet friendlyEnjoy one last Thanksgiving and Christmas in their own home (not a rental)Buyer (my benefit):Get a quality investment home for 18% under market valueHave my first few months mortgage payments made for me through the lease-backAfter a bit of back and forth, we were able to come up with an agreement at a price 15% below market value, with a lease back option for 2 months, with a one time option for a 30 day extension.

, they could open your letter with a heightened anxiety level..