I am tryly INxx.  They each apply at one time or another.  Depending on my mood and/or the questions or how they are phrased, I can get each type as a result.  I trust my head, but my heart I trust too.  Very much so. 
IMO, your feelings are valid, no matter what they are.  They need not be logical or rational to others.  Also, you need not defend your feelings to others.  They are your feelings, period. 
I "suffer" from Sheldonitis.  If you cannot figure out what this is, you have my pity and contempt.  Haha!
Planet Earth is my current location.