Regina and Emma kiss

Recently I was discussing with Katara and Audrey the situation with Zelena and Regina. The situation being that argument the pair have in Regina's office where Regina blames Zelena for Robin's death and Zelena gets angry at Regina for splitting herself. Naturally I had to take a stance on this an really I found that I was sympathetic to both characters.

The first point of interest is that Zelena is angry at Regina for going to Snow for advice as opposed to her. It is my belief that Snow was simply there at the right place at the right time. Zelena simply wasn't there. In fact, if I remember...