I seem to shift between TH1 and TH2 dominance myself - Not only do I never full fit either side, but I have conditions that pop up from either side, depending on when I evaluate.
I have used these two articles to help me understand a *bit* more about
this, hopefully they will be of help to you as well:
www.anapsid.org/cnd/diagnosis/cheneyis.html/selfhacked.com/2014/06/16/supplements-foods-exercise-right-type-th1-vs-th2-dominance/