Try to take a long-term view—it usually helps remove the emotional weight and allows you to think more clearly about the problem.

Buying or selling a home is a major financial (and emotional) undertaking.

Okay, that IS a really tough job, I can see that draining one emotionally. 

Many invest with emotion, not facts.

Put the want need wish emotion down and step on it like it was cockroach.  

I would add Emotional Intelligence.

Even with all those issues seems like a great deal as you said  But at what emotional cost? 

I'm sure this is taking quite the emotional toll on you, in addition to taking away precious time from your day where you aren't able to source additional deals.I would also go after the lawyer and report this conduct to the board of ethics. 

I think that no one here will be able to answer your question ultimately as it is an emotional decision with constraints that only you fully comprehend. 

Lead with Emotional Intelligence Empathy and Understanding: They show empathy, understand individual strengths and challenges, and provide emotional support when necessary.