INFJ (MBTI)

http://www.jennifersoldner.com/2013/06/guide-to-infj-relationships.html

http://www.jennifersoldner.com/2014/04/5-signs-you-are-in-relationship-with.html - "The negativity of the world overwhelms them"

http://www.jennifersoldner.com/2013/06/top-10-things-every-infj-wants-you-to.html

Additional reading:
http://calmisc.blogspot.com/2015/03/sf-and-nf-difference-and-enfp.html