Common terms for these animals: Guide Dog or Seeing Eye Dog, Hearing Dog or Signal Dog, Psychiatric Service Dog, Seizure Response Dog, SSigDog (Sensory Signal Dog or Social Signal Dog).

It's very easy to get diagnosed with a psychiatric condition that would benefit from an emotional support animal.

Having money is great but only because it makes you not have worry about making it.I also no many poor people happier than the idle rich people I know.But if you think having money makes you depressed then you really should seek psychiatric help.

From the ADA website:A service animal is any dog that is individually trained to do work or perform tasks for the benefit of an individual with a disability, including a physical, sensory, psychiatric, intellectual, or other mental disability.

Currently i am working full time as a psych nurse, i love the profession and taking care of sick(psychiatric) patient but i dont like getting hurt sometimes.

But I don't know if I want to really want to become a PMHNP (Psychiatric Mental Health Nurse Practitioner).

As you say, it might be somewhat foolish to add on extra debt right now.In terms of nursing, I was paid 57k/year in Chicago, but didn't want to get stuck in psychiatric nursing.

He ended up in a psychiatric hospital where his wife divorced him. 

Generally speaking, you would need to accommodate a Disability Service Animal, but not an ESA animal unless it was psychiatric related. https://www.nolo.com/legal-encyclopedia/texas-laws...  

You want to end up on top of the world, not in psychiatric ward.Good luck